Synonyms: Magnesate(1-),[13,21-dimethyl3-(2-carboxyethenyl)-3,4-didehydro-9,14-diethenyl-4,8,18-trimethyl-20-oxo-13,21-phorbinedicarboxylato(3-)-kN23,kN24,kN25,kN26]-, hydrogen, [SP-4-2-(E)]-;Phorbine, magnesate(1-) deriv.; Chlorophyll c3; Magnesate(1-), [13,21-dimethyl3-(2-carboxyethenyl)-3,4-didehydro-9,14-diethenyl-4,8,18-trimethyl-20-oxo-13,21-phorbinedicarboxylato(3-)-N23,N24,N25,N26]-,hydrogen, [SP-4-2-(E)]-