14409-87-1 3,7,11,15-Tetramethyl-2-hexadecenyl 9-ethenyl-14-ethyl-4,8,13,18-tetramethyl-20-oxo-3-phorbinepropanoate (3S-(3alpha(2E,7S*,11S*),4beta))- 3-Phorbinepropanoic acid, 9-ethenyl-14-ethyl-4,8,13,18-tetramethyl-20-oxo-, 3,7,11,15-tetramethyl-2-hexadecenyl ester, (3S-(3alpha(2E,7S*,11S*),4beta))-