7(1)-hydroxychlorophyllide a(2-)
7(1)-hydroxychlorophyllide a(2-)
A cyclic tetrapyrrole anion that is derived from 7<small><sup>1</small></sup>-hydroxychlorophyllide <em>a</em> via deprotonation of the carboxy group and formation of a carbide ion. It is the major microspecies at pH 7.3 (according to Marvin v 6.2.0.).