英文别名：
Pregn-4-ene-3,20-dione,6-methyl-16,17-[(1-methylethylidene)bis(oxy)]-, (6a,16a)- (9CI);16-.alpha., 17-dihydroxy-6-.alpha.-methylpregn-4-ene-3,20-dione, cycli c acetal with acetone;16-.α.,17-dihydroxy-6-.α.-methylpregn-4-ene-3,20-dione, cyclic acetal with acetone;(4aR,4bS,6aS,6bS,9aR,10aS,10bR,12S)-6b-acetyl-4a,6a,8,8,12-pentamethyl-3,4,4a,4b,5,6,6a,6b,9a,10,10a,10b,11,12-tetradecahydro-2H-naphtho[2',1':4,5]indeno[1,2-d][1,3]dioxol-2-one;(6bS,9aR,12S)-6b-acetyl-4a,6a,8,8,12-pentamethyl-3,4,4a,4b,5,6,6a,6b,9a,10,10a,10b,11,12-tetradecahydro-2H-naphtho[2',1':4,5]indeno[1,2-d][1,3]dioxol-2-one;Pregn-4-ene-3, 6-methyl-16,17-[(1-methylethylidene)bis(oxy)]-, (6.alpha.,16.alpha.)-;CHEBI:79782;NSC 56948;16-.alpha.,17-isopropylidenedioxy-6-.alpha.-methylprogesterone;PREGN-4-ENE-3,20-DIONE, 16.ALPHA.,17-DIHYDROXY-6.ALPHA.-METHYL-, CYCLIC ACETAL WITH ACETONE;A564VVA55Z;NSC56948;PROGESTERONE, 16.ALPHA.,17-DIHYDROXY-6.ALPHA.-METHYL-, CYCLIC 16,17-ACETAL WITH ACETONE;19304-29-1;PREGN-4-ENE-3,20-DIONE, 6-METHYL-16,17-((1-METHYLETHYLIDENE)BIS(OXY))-, (6.ALPHA.,16.ALPHA.)-;(1R,2S,4R,8S,9S,12S,13R,19S)-8-acetyl-6,6,9,13,19-pentamethyl-5,7-dioxapentacyclo[10.8.0.02,9.04,8.013,18]icos-17-en-16-one;16.ALPHA.,17-ISOPROPYLIDENEDIOXY-6.ALPHA.-METHYLPROGESTERONE;UNII-A564VVA55Z;16-.alpha.,20-dione, cyclic acetal with acetone;Pregn-4-ene-3, 16.alpha.,17-(isopropylidenedioxy)-6.alpha.-methyl-;Q27148916;NSC-56948;16alpha,17-Isopropylidenedioxy-6alpha-methylprogesterone;16alpha,17-Dihydroxy-6alpha-methylpregn-4-ene-3,20-dione cyclic acetal with acetone;6-.alpha.-Methyl-16-.alpha.-17-[(1-methylethylidene)bis(oxy)]-pregn-4-ene-3,20-dione;Progesterone,17-(isopropylidenedioxy)-6.alpha.-methyl-;
Inchi：
1S/C25H36O4/c1-14-11-17-18(23(5)9-7-16(27)12-19(14)23)8-10-24(6)20(17)13-21-25(24,15(2)26)29-22(3,4)28-21/h12,14,17-18,20-21H,7-11,13H2,1-6H3/t14-,17+,18-,20-,21+,23+,24-,25+/m0/s1
