.alpha.-TPA 4-.alpha.-Phorbol 13 acetate 4.alpha.-Phorbol 12-myristate 13-acetate 4.alpha.-TPA 63597-44-4 AIDS-001982 AIDS001982 Tetradecanoic acid, (1aR,1bS,4aS,7aS,7bS,8R,9R,9aS)-9a-(acetyloxy)-1a,1b,4,4a,5,7a,7b,8,9,9a-decahydro-4a,7b-dihydroxy-3-(hydroxymethyl)-1,1,6,8-tetramethyl-5-oxo-1H-cyclopropa[3,4]benz[1,2-e]azulen-9-yl ester