preferred_name: pheophorbide a + H2O => C-13(2)-carboxypyropheophorbide a + methanol
preferred_name_lc: pheophorbide a + h2o => c-13(2)-carboxypyropheophorbide a + methanol
label: pheophorbide a + H2O => C-13(2)-carboxypyropheophorbide a + methanol
label_lc: pheophorbide a + h2o => c-13(2)-carboxypyropheophorbide a + methanol