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(20R,25R)-스피로스트-5-엔-3베타-일아세테이트(25R)-Spirost-5-en-3β-ol acetate(25R)-3β-Acetoxy-spirostane-5-ene(20R,25R)-spirost-5-en-3?-yl acetateSpirost-5-en-3-ol, acetate, (3β,25R)-(20R,25R)-spirost-5-en-3beta-yl acetate16-Dehydropregnenolone Acetate Impurity G16-Dehydro Pregnenolone Acetate Impurity 4(4S,5'R,6aR,6bS,8aS,8bR,9S,10R,11aS,12aS,12bS)-5',6a,8a,9-tetramethyl-1,3,3',4,4',5,5',6,6a,6b,6',7,8,8a,8b,9,11a,12,12a,12b-icosahydrospiro[naphtho[2',1':4,5]indeno[2,1-b]furan-10,2'-pyran]-4-yl acetate
(5',7,9,13-tetramethylspiro[5-oxapentacyclo[10.8.0.02,9.04,8.013,18]icos-18-ene-6,2'-oxane]-16-yl) acetate(5',7,9,13-tetramethylspiro[5-oxapentacyclo[10.8.0.02,9.04,8.013,18]icos-18-ene-6,2'-tetrahydropyran]-16-yl) acetate3,13,15,19-tetramethyl-11-oxaspiro[2H-3,4,5,6-tetrahydropyran-6,6'-pentacyclo[ 10.8.0.0<2,9>.0<4,8>.0<13,18>]icosane]-24-en-22-yl acetate5,7',9',13'-TETRAMETHYL-5'-OXASPIRO[OXANE-2,6'-PENTACYCLO[10.8.0.0(2),?.0?,?.0(1)(3),(1)?]ICOSAN]-18'-EN-16'-YL ACETATE5,7',9',13'-tetramethyl-5'-oxaspiro[oxane-2,6'-pentacyclo[10.8.0.02,?.0?,?.013,1?]icosan]-18'-en-16'-yl acetate