Synonyms: 5H-Cyclopropa[3,4]benz[1,2-e]azulen-5-one,1,1aa,1bb,4,4a,7aa,7b,8,9,9a-decahydro-4ab,7ba,9b,9aa-tetrahydroxy-3-(hydroxymethyl)-1,1,6,8a-tetramethyl-, 3,9,9a-triacetate, (+)- (8CI);5H-Cyclopropa[3,4]benz[1,2-e]azulen-5-one, 9,9a-bis(acetyloxy)-3-[(acetyloxy)methyl]-1,1a,1b,4,4a,7a,7b,8,9,9a-decahydro-4a,7b-dihydroxy-1,1,6,8-tetramethyl-,[1aR-(1aa,1bb,4ab,7aa,7ba,8a,9b,9aa)]-; Phorbol, triacetate (6CI,7CI); 1,1ab,1ba,4,4a,7ab,7b,8,9,9a-Decahydro-4aa,7bb,9a,9ab-tetrahydroxy-3-(hydroxymethyl)-1,1,6,8b-tetramethyl-5H-cyclopropa[3,4]benz[1,2-e]azulen-5-one,3,9,9a-triacetate; Phorbol 12,13,20-triacetate