preferred_name: menaquinone-8 + succinate => menaquinol-8 + fumarate
preferred_name_lc: menaquinone-8 + succinate => menaquinol-8 + fumarate
label: menaquinone-8 + succinate => menaquinol-8 + fumarate
label_lc: menaquinone-8 + succinate => menaquinol-8 + fumarate