4-Amino-1-[3,5-bis-O-(4-chlorobenzoyl)-2-deoxy-α-D-erythro-pentofuranosyl]-1,3,5-triazin-2(1H)-one (Decitabine USP Related Compound C) is a derivative of α-Decitabine (D226730) which is shown to inhibit DNA methylation resulting in an effective anticancer agent.