12643-03-7 13962-39-5 29119-82-2 Chlorophyllin b Magnesate(3-), ((7S,8S)-3-carboxy-5-(carboxymethyl)-13-ethenyl-18-ethyl-17-formyl-7,8-dihydro-2,8,12-trimethyl-21H,23H-porphine-7-propanoato(5-)- kappaN21,kappaN22,kappaN23,kappaN24)-, trihydrogen, (SP-4-2)-