(E)-2,4-dihydroxycinnamoyl-CoA = umbelliferone + CoA
(e)-2,4-dihydroxycinnamoyl-coa = umbelliferone + coa
(E)-2,4-dihydroxycinnamoyl-CoA = umbelliferone + CoA
(e)-2,4-dihydroxycinnamoyl-coa = umbelliferone + coa