preferred_name: sucrose + UDP + H(+) => D-fructose + UDP-alpha-D-glucose
preferred_name_lc: sucrose + udp + h(+) => d-fructose + udp-alpha-d-glucose
label: sucrose + UDP + H(+) => D-fructose + UDP-alpha-D-glucose
label_lc: sucrose + udp + h(+) => d-fructose + udp-alpha-d-glucose