preferred_name: protoporphyrinogen IX + 3 menaquinone-8 = protoporphyrin IX + 3 menaquinol-8
preferred_name_lc: protoporphyrinogen ix + 3 menaquinone-8 = protoporphyrin ix + 3 menaquinol-8
label: protoporphyrinogen IX + 3 menaquinone-8 = protoporphyrin IX + 3 menaquinol-8
label_lc: protoporphyrinogen ix + 3 menaquinone-8 = protoporphyrin ix + 3 menaquinol-8