Approved Ligands

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  1. Tamoxifen, Agonist of Estrogen receptor-α;Antagonist of Estrogen receptor-α;Agonist of Estrogen receptor-β;Antagonist of Estrogen receptor-β;Agonist of GPER
    Cas#: 10540-29-1       
    Formula:  C26H29NO        Molecular Weight: 371.51
    IUPAC Name: 2-[4-[(Z)-1,2-diphenylbut-1-enyl]phenoxy]-N,N-dimethylethanamine
    SMILES: CCC(=C(C1=CC=CC=C1)C2=CC=C(C=C2)OCCN(C)C)C3=CC=CC=C3
    InChIKey: NKANXQFJJICGDU-QPLCGJKRSA-N
    InChI: InChI=1S/C26H29NO/c1-4-25(21-11-7-5-8-12-21)26(22-13-9-6-10-14-22)23-15-17-24(18-16-23)28-20-19-27(2)3/h5-18H,4,19-20H2,1-3H3/b26-25-
    Synonyms: (Z)-Tamoxifen | ICI 47699 | trans-Tamoxifen
  2. Ospemifene, Estrogen receptor modulator
    Cas#: 128607-22-7        Compound CID:  3036505
    Formula:  C24H23ClO2        Molecular Weight: 378.9
    IUPAC Name: 2-[4-[(Z)-4-chloro-1,2-diphenylbut-1-enyl]phenoxy]ethanol
    SMILES: C1=CC=C(C=C1)C(=C(C2=CC=CC=C2)C3=CC=C(C=C3)OCCO)CCCl
    InChIKey: LUMKNAVTFCDUIE-VHXPQNKSSA-N
    InChI: InChI=1S/C24H23ClO2/c25-16-15-23(19-7-3-1-4-8-19)24(20-9-5-2-6-10-20)21-11-13-22(14-12-21)27-18-17-26/h1-14,26H,15-18H2/b24-23-
    Synonyms: CS-5961 | J-005613 | Ophena | senshio | CCRIS 9205 | Q7107372 | A14261 | 2-(4-(4-chloro-1,2-diphenyl-but-1-enyl)pheno...
  3. Ethinyl Estradiol, Estrogen receptor alpha agonist
    Cas#: 57-63-6        Compound CID:  5991
    Formula:  C20H24O2        Molecular Weight: 296.4
    IUPAC Name: (8R,9S,13S,14S,17R)-17-ethynyl-13-methyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthrene-3,17-diol
    SMILES: CC12CCC3C(C1CCC2(C#C)O)CCC4=C3C=CC(=C4)O
    InChIKey: BFPYWIDHMRZLRN-SLHNCBLASA-N
    InChI: InChI=1S/C20H24O2/c1-3-20(22)11-9-18-17-6-4-13-12-14(21)5-7-15(13)16(17)8-10-19(18,20)2/h1,5,7,12,16-18,21-22H,4,6,8-11H2,2H3/t16-,17-,18+,19+,20+/m1/s1
    Synonyms: Ethinylestradiol (Standard) | Ethynyloestradiol | Estigyn | 17-Ethinylestradiol | CHEBI:4903 | Ethinyl Estradiol [USP...
  4. Diethylstilbestrol, Agonist of Estrogen receptor-α;Agonist of Estrogen receptor-β;Antagonist of Estrogen-related receptor-α;Antagonist of Estrogen-related receptor-β;Antagonist of Estrogen-related receptor-γ
    Cas#: 56-53-1        Compound CID:  448537
    Formula:  C18H20O2        Molecular Weight: 268.35
    IUPAC Name: 4-[(E)-4-(4-hydroxyphenyl)hex-3-en-3-yl]phenol
    SMILES: CCC(=C(CC)C1=CC=C(C=C1)O)C2=CC=C(C=C2)O
    InChIKey: RGLYKWWBQGJZGM-ISLYRVAYSA-N
    InChI: InChI=1S/C18H20O2/c1-3-17(13-5-9-15(19)10-6-13)18(4-2)14-7-11-16(20)12-8-14/h5-12,19-20H,3-4H2,1-2H3/b18-17+
    Synonyms: DES | 4-[(3E)-4-(4-hydroxyphenyl)hex-3-en-3-yl]phenol | Diethylstilbesterol | Makarol | Stilbofolin | 4,4'-(Hex-3-ene...
  5. Fulvestrant, Estrogen receptor antagonist
    Cas#: 129453-61-8        Compound CID:  104741
    Formula:  C32H47F5O3S        Molecular Weight: 606.77
    IUPAC Name: (7R,8R,9S,13S,14S,17S)-13-methyl-7-[9-(4,4,5,5,5-pentafluoropentylsulfinyl)nonyl]-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthrene-3,17-diol
    SMILES: CC12CCC3C(C1CCC2O)C(CC4=C3C=CC(=C4)O)CCCCCCCCCS(=O)CCCC(C(F)(F)F)(F)F
    InChIKey: VWUXBMIQPBEWFH-WCCTWKNTSA-N
    InChI: InChI=1S/C32H47F5O3S/c1-30-17-15-26-25-12-11-24(38)21-23(25)20-22(29(26)27(30)13-14-28(30)39)10-7-5-3-2-4-6-8-18-41(40)19-9-16-31(33,34)32(35,36)37/h11-12,21-22,26-29,38-39H,2-10,13-20H2,1H3/t22-,26-,27+,28+,29-,30+,41?/m1/s1
    Synonyms: Faslodex(ICI 182,780) | FULVESTRANT [MI] | ICI 182,789 | Q27274130 | CAS-129453-61-8 | NCGC00164789-02 | NCGC00164789...
  6. Eltrombopag, Agonist of Thrombopoietin receptor
    Cas#: 496775-61-2        Compound CID:  135449332
    Formula:  C25H22N4O4        Molecular Weight: 442.47
    IUPAC Name: 3-[3-[[2-(3,4-dimethylphenyl)-5-methyl-3-oxo-1H-pyrazol-4-yl]diazenyl]-2-hydroxyphenyl]benzoic acid
    SMILES: CC1=C(C=C(C=C1)N2C(=O)C(=C(N2)C)N=NC3=CC=CC(=C3O)C4=CC(=CC=C4)C(=O)O)C
    InChIKey: SVOQIEJWJCQGDQ-UHFFFAOYSA-N
    InChI: InChI=1S/C25H22N4O4/c1-14-10-11-19(12-15(14)2)29-24(31)22(16(3)28-29)27-26-21-9-5-8-20(23(21)30)17-6-4-7-18(13-17)25(32)33/h4-13,28,30H,1-3H3,(H,32,33)
    Synonyms: BCP9000641 | D02363 | CHEBI:85010 | EN300-1709152 | XDXWLKQMMKQXPV-UHFFFAOYSA-N | SB497115 | SB-497115 | 3'-[(2Z)- [1...
  7. Tacrolimus(FK506)
    Cas#: 104987-11-3        Compound CID:  445643
    Formula:  C44H69NO12        Molecular Weight: 804.02
    IUPAC Name: (1R,9S,12S,13R,14S,17R,18E,21S,23S,24R,25S,27R)-1,14-dihydroxy-12-[(E)-1-[(1R,3R,4R)-4-hydroxy-3-methoxycyclohexyl]prop-1-en-2-yl]-23,25-dimethoxy-13,19,21,27-tetramethyl-17-prop-2-enyl-11,28-dioxa-4-azatricyclo[22.3.1.04,9]octacos-18-ene-2,3,10,16-tetrone
    SMILES: CC1CC(C2C(CC(C(O2)(C(=O)C(=O)N3CCCCC3C(=O)OC(C(C(CC(=O)C(C=C(C1)C)CC=C)O)C)C(=CC4CCC(C(C4)OC)O)C)O)C)OC)OC
    InChIKey: QJJXYPPXXYFBGM-LFZNUXCKSA-N
    InChI: InChI=1S/C44H69NO12/c1-10-13-31-19-25(2)18-26(3)20-37(54-8)40-38(55-9)22-28(5)44(52,57-40)41(49)42(50)45-17-12-11-14-32(45)43(51)56-39(29(6)34(47)24-35(31)48)27(4)21-30-15-16-33(46)36(23-30)53-7/h10,19,21,26,28-34,36-40,46-47,52H,1,11-18,20,22-24H2,2-9H3/b25-19+,27-21+/t26-,28+,29+,30-,31+,32-,33+,34-,36+,37-,38-,39+,40+,44+/m0/s1
    Synonyms: (7aR)-4,4,7a-trimethyl-6,7-dihydro-5H-benzofuran-2-one;Dihydroactinidiolide | CHEBI:93221 | DB00864 | HMS1792O21 | UN...
  8. Raloxifene, Agonist of Estrogen receptor-α;Antagonist of Estrogen receptor-α;Antagonist of Estrogen receptor-β;Agonist of GPER
    Cas#: 84449-90-1        Compound CID:  5035
    Formula:  C28H27NO4S        Molecular Weight: 473.58
    IUPAC Name: [6-hydroxy-2-(4-hydroxyphenyl)-1-benzothiophen-3-yl]-[4-(2-piperidin-1-ylethoxy)phenyl]methanone
    SMILES: C1CCN(CC1)CCOC2=CC=C(C=C2)C(=O)C3=C(SC4=C3C=CC(=C4)O)C5=CC=C(C=C5)O
    InChIKey: GZUITABIAKMVPG-UHFFFAOYSA-N
    InChI: InChI=1S/C28H27NO4S/c30-21-8-4-20(5-9-21)28-26(24-13-10-22(31)18-25(24)34-28)27(32)19-6-11-23(12-7-19)33-17-16-29-14-2-1-3-15-29/h4-13,18,30-31H,1-3,14-17H2
    Synonyms: cid_11071264 | CS-0007764 | Keoxifene; LY 139481; | Lopac0_001051 | CAS-84449-90-1 | GTPL2820 | NCGC00015889-04 | NCG...
  9. lusutrombopag, Thrombopoietin receptor agonist
    Cas#: 1110766-97-6        Compound CID:  49843517
    Formula:  C29H32Cl2N2O5S        Molecular Weight: 591.54
    IUPAC Name: (E)-3-[2,6-dichloro-4-[[4-[3-[(1S)-1-hexoxyethyl]-2-methoxyphenyl]-1,3-thiazol-2-yl]carbamoyl]phenyl]-2-methylprop-2-enoic acid
    SMILES: CCCCCCOC(C)C1=CC=CC(=C1OC)C2=CSC(=N2)NC(=O)C3=CC(=C(C(=C3)Cl)C=C(C)C(=O)O)Cl
    InChIKey: NOZIJMHMKORZBA-KJCUYJGMSA-N
    InChI: InChI=1S/C29H32Cl2N2O5S/c1-5-6-7-8-12-38-18(3)20-10-9-11-21(26(20)37-4)25-16-39-29(32-25)33-27(34)19-14-23(30)22(24(31)15-19)13-17(2)28(35)36/h9-11,13-16,18H,5-8,12H2,1-4H3,(H,35,36)(H,32,33,34)/b17-13+/t18-/m0/s1
    Synonyms: (2E)-3-(2,6-Dichloro-4-((4-(3-((1S)-1-(hexyloxy)ethyl)-2-methoxyphenyl)-1,3-thiazol-2-yl)carbamoyl)phenyl)-2-methylpr...
  10. Bazedoxifene, Antagonist of Estrogen receptor-α;Antagonist of Estrogen receptor-β
    Cas#: 198481-32-2        Compound CID:  154257
    Formula:  C30H34N2O3        Molecular Weight: 470.6
    IUPAC Name: 1-[[4-[2-(azepan-1-yl)ethoxy]phenyl]methyl]-2-(4-hydroxyphenyl)-3-methylindol-5-ol
    SMILES: CC1=C(N(C2=C1C=C(C=C2)O)CC3=CC=C(C=C3)OCCN4CCCCCC4)C5=CC=C(C=C5)O
    InChIKey: UCJGJABZCDBEDK-UHFFFAOYSA-N
    InChI: InChI=1S/C30H34N2O3/c1-22-28-20-26(34)12-15-29(28)32(30(22)24-8-10-25(33)11-9-24)21-23-6-13-27(14-7-23)35-19-18-31-16-4-2-3-5-17-31/h6-15,20,33-34H,2-5,16-19,21H2,1H3
    Synonyms: 1-((4-(2-Hexahydro-1H-azepin-1-yl)ethoxy)phenyl)methyl)-2-(4-hydroxyphenyl)-3-methyl-1H-indol-5-ol | EX-A5409 | HY-A0...
  11. Estriol, Estrogen receptor modulator
    Cas#: 50-27-1        Compound CID:  5756
    Formula:  C18H24O3        Molecular Weight: 288.38
    IUPAC Name: (8R,9S,13S,14S,16R,17R)-13-methyl-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthrene-3,16,17-triol
    SMILES: CC12CCC3C(C1CC(C2O)O)CCC4=C3C=CC(=C4)O
    InChIKey: PROQIPRRNZUXQM-ZXXIGWHRSA-N
    InChI: InChI=1S/C18H24O3/c1-18-7-6-13-12-5-3-11(19)8-10(12)2-4-14(13)15(18)9-16(20)17(18)21/h3,5,8,13-17,19-21H,2,4,6-7,9H2,1H3/t13-,14-,15+,16-,17+,18+/m1/s1
    Synonyms: A 13610 | Chlorapatite | Estriol, unconjugated | Overstin | Tridestrin | Estriel (TN) | ESTRIOL [MART.] | Estriol [US...
  12. Estrone, Estrogen receptor alpha agonist
    Cas#: 53-16-7        Compound CID:  5870
    Formula:  C18H22O2        Molecular Weight: 270.37
    IUPAC Name: (8R,9S,13S,14S)-3-hydroxy-13-methyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthren-17-one
    SMILES: CC12CCC3C(C1CCC2=O)CCC4=C3C=CC(=C4)O
    InChIKey: DNXHEGUUPJUMQT-CBZIJGRNSA-N
    InChI: InChI=1S/C18H22O2/c1-18-9-8-14-13-5-3-12(19)10-11(13)2-4-15(14)16(18)6-7-17(18)20/h3,5,10,14-16,19H,2,4,6-9H2,1H3/t14-,15-,16+,18+/m1/s1
    Synonyms: 2DI9HA706A | Cristallovar | delta-1,3,5-estratrien-3-beta-ol-17-one | delta-1,3,5-Estratrien-3beta-ol-17-one | ESTRON...
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