Synonyms: (1S,14R)-1,3β,6β,14,16-Pentahydroxy-1,5-secograyanotox-10(20)-en-5-one;(3R,4R,5aS,7R,10S,12S,13aS,14R)-2,3,4,5,6,7,9,10,11,12,13,13a-Dodecahydro-4,7,10,12,14-pentahydroxy-4,9,9-trimethyl-13-methylene-3,5a-methano-5aH-cycloheptacyclodecen-8(1H)-one;Grayanol B