label: delphinidin 3,5-bis-O-beta-D-glucoside + UDP-alpha-D-glucose => delphinidin 3,3',5-tri-O-beta-D-glucoside + UDP + H(+)
label_lc: delphinidin 3,5-bis-o-beta-d-glucoside + udp-alpha-d-glucose => delphinidin 3,3',5-tri-o-beta-d-glucoside + udp + h(+)