SMILES: CCC1=C2/C=C\\3/C(=C4C(=C(C5=N/C(=C\\C6=NC7(C(O7)C(=C1C)N2)C(=C6C)C=C)/[C@H]([C@@H]5CCC(=O)[O-])C)C(=C4O)C(=O)OC)N3)C
Description: The molecule is a cyclic tetrapyrrole anion that is the conjuagte base of epoxypheophorbide a. Major microspecies at pH 7.3 (according to Marvin v. 6.2.0). It is a conjugate base of an epoxypheophorbide a. It is a conjugate acid of an epoxypheophorbide a(2-).