Protoporphyrin IX
protoporphyrin ix
3,3'-(3,7,12,17-tetramethyl-8,13-divinyl-21H,23H-porphine-2,18-diyl)-bis-propionic acid
3,3'-(3,7,12,17-tetramethyl-8,13-divinyl-21h,23h-porphine-2,18-diyl)-bis-propionic acid