(2S-trans)-18-Carboxy-20-(carboxymethyl)-13-ethyl-2,3-dihydro-3,7,12,17-tetramethyl-8-vinyl-21H,23H-porphine-2-propionic acid 127770-19-8 130-47-2 19660-77-6 21H,23H-Porphine-2-propanoic acid, 18-carboxy-20-(carboxymethyl)-8-ethenyl-13-ethyl-2,3-dihydro-3,7,12,17-tetramethyl-, (2S,3S)- 21H,23H-Porphine-2-propanoic acid, 18-carboxy-20-(carboxymethyl)-8-ethenyl-13-ethyl-2,3-dihydro-3,7,12,17-tetramethyl-,(2S-trans)- 220255-92-5 23725-01-1 25657-46-9 28068-81-7 482-17-7 53255-00-8 Chlorin e6 EINECS 243-209-4 PHYTOCHLORIN