19891-05-5 5H-Cyclopropa(3,4)benz(1,2-e)azulen-5-one, 1,1a-alpha,1b-beta,4,4a,7a-alpha,7b,8,9,9a-decahydro-3-(hydroxymethyl)-4a-beta,7b-alpha,9-beta,9a-alpha-tetrahydroxy-1,1,6,8-alpha-tetramethyl-, 3,9,9a-triacetate, (+)- 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,1bS,4aR,7aS,7bS,8R,9R)- BRN 5191305 Phorbol 12,13,20-triacetate Phorbol triacetate