51787-41-8

(1S,2S,3R,4bS,7R,9S,10S)-4b,5,6,7,8,8aβ,9,10-Octahydro-3,9,10-trihydroxy-2,4b,7-trimethyl-8-methylenespiro[cyclopropane-1,2(1H)-phenanthrene]-1,4(3H)-dione