2',3'-cyclophospho-UMP + H2O = uridine 2'-phosphate + H(+)
2',3'-cyclophospho-ump + h2o = uridine 2'-phosphate + h(+)
2',3'-cyclophospho-UMP + H2O = uridine 2'-phosphate + H(+)
2',3'-cyclophospho-ump + h2o = uridine 2'-phosphate + h(+)