14428-12-7 Chlorophyllide b Magnesate(1-), (9-ethenyl-14-ethyl-13-formyl-21-(methoxycarbonyl)-4,8,18-trimethyl-20-oxo-3-phorbinepropanoato(3-)-N23,N24,N25,N26)-, hydrogen, (SP-4-2-(3S-(3alpha,4beta,21beta)))-