14876-54-1 Cadmium;3-[(1z,4z,10z,14z)-7,12,17-tris(2-carboxyethyl)-3,8,13,18-tetramethylporphyrin-21,22,23,24-tetraid-2-yl]propanoic Acid 14494-37-2 3-[(1z,4z,10z,14z)-18-(2-carboxyethyl)-7,12-bis(ethenyl)-3,8,13,17-tetramethylporphyrin-21,22,23,24-tetraid-2-yl]propanoic Acid;copper