12-O-Hexadecanoyl-4-deoxy-4beta-16-hydroxyphorbol-13-acetate 67492-54-0 Croton factor F2 Hexadecanoic acid, 9a-(acetyloxy)-1a,1b,4,4a,5,7a,7b,8,9,9a-decahydro-7b-hydroxy-1,3-bis(hydroxymethyl)-1,6,8-trimethyl-5-oxo-1H-cyclopropa(3,4)benz(1,2-e)azulen-9-yl ester, (1S-(1alpha,1aalpha,1bbeta,4abeta,7aalpha,7balpha,8alpha,9beta,9aalpha))-