Synonyms: 21H,23H-Porphine-2,7,12,18-tetrapropanoicacid,3,8,13,17-tetrakis(carboxymethyl)-7,8,12,13-tetrahydro-7,12-dihydroxy-8,10,13-trimethyl-,8,7:13,12-dilactone, [7R-(7a,8a,12a,13a)]-; 23H,25H-Difuro[2,3-b:2',3'-g]porphine-6a,14,18,22a(2H,8H)-tetrapropanoicacid,13,19-bis(carboxymethyl)-3,3a,9,9a-tetrahydro-3a,5,9a-trimethyl-2,8-dioxo-,[3aR-(3aa,6aa,9aa,22aa)]-; Corriphyrin 3