4-Chloroacetyloxy-5-nitro-4,5-dihydrothymine 82531-54-2 ACETIC ACID, CHLORO-, HEXAHYDRO-2,6-DIOXO-5-METHYL-5-NITRO-4-PYRIMIDINYL ESTER BRN 5585300 Chloroacetic acid hexahydro-2,6-dioxo-5-methyl-5-nitro-4-pyrimidinyl ester