Synonyms: Diosgenin, 1b-hydroxy-, diacetate (6CI); Spirost-5-ene-1b,3b-diol, diacetate, (25R)- (8CI); Spiro[8H-naphth[2',1':4,5]indeno[2,1-b]furan-8,2'-[2H]pyran],spirost-5-ene-1,3-diol deriv.; 25D-Spirost-5-ene-1b,3b-diol, diacetate; Ruscogenin diacetate