umbelliferone + (2E)-geranyl diphosphate <=> 8-geranylumbelliferone + diphosphate
umbelliferone + (2e)-geranyl diphosphate <=> 8-geranylumbelliferone + diphosphate
umbelliferone + (2E)-geranyl diphosphate <=> 8-geranylumbelliferone + diphosphate
umbelliferone + (2e)-geranyl diphosphate <=> 8-geranylumbelliferone + diphosphate