3-Phorbinepropanoic acid, 21-carboxy-9-ethenyl-14-ethyl-4,8,13,18-tetramethyl-20-oxo-, dipotassium salt, (3S,4S,21R)- 7460-19-7 Dipotassium (3S(3a,4beta,21beta))-21-carboxy-14-ethyl-4,8,13,18-tetramethyl-20-oxo-9-vinylphorbine-3-propionate EINECS 231-245-3