preferred_name: D-glucose + UDP-alpha-D-galactose <=> lactose + UDP + H(+)
preferred_name_lc: d-glucose + udp-alpha-d-galactose <=> lactose + udp + h(+)
label: D-glucose + UDP-alpha-D-galactose <=> lactose + UDP + H(+)
label_lc: d-glucose + udp-alpha-d-galactose <=> lactose + udp + h(+)