Synonyms: 1,4-Phenanthrenedione,9-(acetyloxy)-4b,5,6,7,8,8a,9,10-octahydro-3,7-dihydroxy-4b,8,8-trimethyl-2-(2-propenyl)-,(4bS,7S,8aR,9R)- (9CI); 1,4-Phenanthrenedione,9-(acetyloxy)-4b,5,6,7,8,8a,9,10-octahydro-3,7-dihydroxy-4b,8,8-trimethyl-2-(2-propenyl)-,[4bS-(4ba,7a,8ab,9a)]-; Plectranthone H