Cocarcinogen A3

12-O-hexadecanoylphorbol-13-acetate

(1aR)-9aα-Acetyloxy-1,1aα,1bβ,4,4a,7aα,7b,8,9,9a-decahydro-4aβ,7bα-dihydroxy-3-(hydroxymethyl)-1,1,6,8α-tetramethyl-9β-palmitoyloxy-5H-cyclopropa[3,4]benz[1,2-e]azulen-5-one

(1aR)-9aα-Acetoxy-9β-(hexadecanoyloxy)-1,1aα,1bβ,4,4a,7aα,7b,8,9,9a-decahydro-4aβ,7bα-dihydroxy-3-hydroxymethyl-1,1,6,8α-tetramethyl-5H-cyclopropa[3,4]benzo[1,2-e]azulene-5-one