Synonyms: 56144-62-8;AC1L9QDJ;CHEMBL484343;4.a.-Phorbol 12,13-diacetate;4alpha-Phorbol 12,13-diacetate;CHEBI:620401;4-alpha-Phorbol 12,13-diacetate;4-.alpha.-Phorbol 12,13-diacetate;5H-Cyclopropa(3,4)benz(1,2-e)azulen-5-one, 9,9a-bis(acetyloxy)-1,1a,1b,4,4a,7a,7b,8,9,9a-decahydro-4a,7b-dihydroxy-3-(hydroxymethyl)-1,1,6,8-tetramethyl-, (1aR-(1aalpha,1bbeta,4aalpha,7aalpha,7balpha,8alpha,9beta,9aalpha))-;5H-Cyclopropa[3,4]benz[1,2-e]azulen-5-one, 9,9a-bis(acetyloxy)-1,1a,1b,4,4a,7a,7b,8,9,9a-decahydro-4a,7b-dihydroxy-3-(hydroxymethyl)-1,1,6,8-tetramethyl-, [1aR-(1aa,1bb,4aa,7aa,7ba,8a,9b,9aa)]-