label: a 5-hydroxy anthocyanidin + UDP-alpha-D-glucose <=> an anthocyanin 5-O-beta-D-glucoside + UDP + H(+)
label_lc: a 5-hydroxy anthocyanidin + udp-alpha-d-glucose <=> an anthocyanin 5-o-beta-d-glucoside + udp + h(+)