daphnin + UDP + H(+) => 7,8-dihydroxycoumarin + UDP-alpha-D-glucose
daphnin + udp + h(+) => 7,8-dihydroxycoumarin + udp-alpha-d-glucose
daphnin + UDP + H(+) => 7,8-dihydroxycoumarin + UDP-alpha-D-glucose
daphnin + udp + h(+) => 7,8-dihydroxycoumarin + udp-alpha-d-glucose