The molecule is a derivative of uridine, bearing an additional methoxycarbonylmethyl substituent at position 5 on the uracil ring. It is a member of uridines and a methyl ester.
methyl 2-[1-[(2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-2,4-dioxopyrimidin-5-yl]acetate