Synonyms: | PENNOGENIN;(25R)-Spirost-5-ene-3β,17-diol;(3β,25R)-Spirost-5-en-3,17-diol;(3beta,25R)-spirost-5-en-3,17-diol;Spirost-5-ene-3,17-diol, (3β,25R)-;PENNOGENIN USP/EP/BP;(4S,5'R,6aR,6bS,8aS,8bS,9S,10R,11aS,12aS,12bR)-5',6a,8a,9-Tetramethyl-1,3,3',4,4',5,5',6,6a,6b,6',7,8,8a,11a,12,12a,12b-octadecahydrospiro[naphtho[2',1':4,5]indeno[2,1-b]furan-10,2'-pyran]-4,8b(9H)-diol |