132183-42-7 5-Chloro-2'-deoxyuridine 5'(tetrahydrogen triphosphate) 5-Chloro-2'-deoxyuridine 5'-triphosphate 5-Chlorouracil-2'-deoxynucleoside-5'-triphosphate 5-Cl-Dutp Uridine 5'(tetrahydrogen triphosphate), 5-chloro-2'-deoxy-