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