4-O-Methyl-12-O-tetradecanoylphorbol 13,20-diacetate AIDS-159674 AIDS159674 Tetradecanoic acid, (1aR,1bS,4aR,7aS,7bS,8R,9R,9aS)-4a,9a-bis(acetyloxy)-3-[(acetyloxy)methyl]-1a,1b,4,4a,5,7a,7b,8,9,9a-decahydro-7b-hydroxy-1,1,6,8-tetramethyl-5-oxo-1H-cyclopropa[3,4]benz[1,2-e]azulen-9-yl ester