preferred_name: 5-amino-6-(D-ribitylamino)uracil + riboflavin => 2 6,7-dimethyl-8-(1-D-ribityl)lumazine + H(+)
preferred_name_lc: 5-amino-6-(d-ribitylamino)uracil + riboflavin => 2 6,7-dimethyl-8-(1-d-ribityl)lumazine + h(+)
label: 5-amino-6-(D-ribitylamino)uracil + riboflavin => 2 6,7-dimethyl-8-(1-D-ribityl)lumazine + H(+)
label_lc: 5-amino-6-(d-ribitylamino)uracil + riboflavin => 2 6,7-dimethyl-8-(1-d-ribityl)lumazine + h(+)