(2S-trans)-18-Carboxy-20-(carboxymethyl)-13-ethyl-12-formyl-2,3-dihydro-3,7,17-trimethyl-8-vinyl-21H,23H-porphine-2-propionic acid 1400-87-9 21H,23H-Porphine-2-propanoic acid, 18-carboxy-20-(carboxymethyl)-8-ethenyl-13-ethyl-12-formyl-2,3-dihydro-3,7,17-trimethyl-, (2S,3S)- 26677-12-3 28848-89-7 6811-51-4 EINECS 247-898-2