is conjugate acid of is conjugate base of chlorophyllide a chlorophyllide a(1-) A cyclic tetrapyrrole anion that is the conjugate base of chlorophyllide a arising from deprotonation of the carboxy group; major species at pH 7.3. chlorophyllide a anion 613.23069 613.96600 CCC1=C(C)C2=[N+]3C1=Cc1c(C)c4C(=O)[C@H](C(=O)OC)C5=C6[C@@H](CCC([O-])=O)[C@H](C)C7=[N+]6[Mg--]3(n1c45)n1c(=C7)c(C)c(C=C)c1=C2 chebi_ontology ANWUQYTXRXCEMZ-NYABAGMLSA-K InChI=1S/C35H36N4O5.Mg/c1-8-19-15(3)22-12-24-17(5)21(10-11-28(40)41)32(38-24)30-31(35(43)44-7)34(42)29-18(6)25(39-33(29)30)14-27-20(9-2)16(4)23(37-27)13-26(19)36-22;/h8,12-14,17,21,31H,1,9-11H2,2-7H3,(H3,36,37,38,39,40,41,42);/q;+2/p-3/t17-,21-,31+;/m0./s1 -1 CHEBI:57942 C35H33MgN4O5 cyclic tetrapyrrole anion chlorophyllide a(2-)