preferred_name: pyropheophorbide a + methanol + CO2 => pheophorbide a + H2O + H(+)
preferred_name_lc: pyropheophorbide a + methanol + co2 => pheophorbide a + h2o + h(+)
label: pyropheophorbide a + methanol + CO2 => pheophorbide a + H2O + H(+)
label_lc: pyropheophorbide a + methanol + co2 => pheophorbide a + h2o + h(+)