preferred_name: C-13(2)-carboxypyropheophorbide a + H(+) = pyropheophorbide a + CO2
preferred_name_lc: c-13(2)-carboxypyropheophorbide a + h(+) = pyropheophorbide a + co2
label: C-13(2)-carboxypyropheophorbide a + H(+) = pyropheophorbide a + CO2
label_lc: c-13(2)-carboxypyropheophorbide a + h(+) = pyropheophorbide a + co2