78570-09-9 Pentanoic acid, 3-hydroxy-, 2-acetyl-7-ethyl-1-formyloctadecahydro-12-hydroxy-4b,7,10a,12a-tetramethyl-3-chrysenyl ester, (1S-(1alpha,2beta,3beta,4abeta,4balpha,6abeta,7alpha,10aalpha,10bbeta,12alpha,12aalpha))-(partial)-