3-Phorbinepropanoic acid, 21-carboxy-9-ethenyl-14-ethyl-13-formyl-4,8,18-trimethyl-20-oxo-, dipotassium salt, (3S,4S,21R)- 72984-35-1 Dipotassium (3S-(3alpha,4beta,21beta))-21-carboxy-14-ethyl-13-formyl-4,8,18-trimethyl-20-oxo-9-vinylphorbine-3-propionate EINECS 277-168-9