1-O-アセチル-3,5-ビス(4-クロロベンゾイル)-2-デオキシ-D-リボースDecitabine USP RC ADecitabine Impurity 51Decitabine USP Related Compound A1-O-Acetyl-3,5-bis-(4-chlorobenzoyl)-2-deoxy-DDecitabine USP Related Compound A (Mixture of Isomers)1-O-Acetyl-3,5-bis(4-chlorobenzoyl)-2-deoxy-D-ribofuranose2-Deoxy-D-erythro-pentofuranose 1-acetate 3,5-bis(4-chlorobenzoate)1-Acetate 3,5-Bis(4-chlorobenzoate)-2-deoxy-D-erythro-pentofuranose