preferred_name: UMP(out) + UDP-alpha-D-glucose(in) => UMP(in) + UDP-alpha-D-glucose(out)
preferred_name_lc: ump(out) + udp-alpha-d-glucose(in) => ump(in) + udp-alpha-d-glucose(out)
label: UMP(out) + UDP-alpha-D-glucose(in) => UMP(in) + UDP-alpha-D-glucose(out)
label_lc: ump(out) + udp-alpha-d-glucose(in) => ump(in) + udp-alpha-d-glucose(out)