Synonyms: Poriferasterol acetate;Stigmasta-5,22-dien-3.beta.-ol, acetate;AC1NSHE7;Stigmasta-5,22-dien-3-ol, acetate, (3.beta.)-;AC1Q62HM;stigmasta-5,22-dien-3-yl acetate;(22E)-Stigmasta-5,22-dien-3-yl acetate;Stigmasta-5,22-dien-3-ol, acetate, (3.beta.,22Z)-;[17-[(E)-5-ethyl-6-methylhept-3-en-2-yl]-10,13-dimethyl-2,3,4,7,8,9,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3-yl] acetate