It’s only fair to share… CMX-8521, CMX-521 MF C13 H17 N5 O5, MW 323.30 CAS Number 2077178-99-3 7H-Pyrrolo[2,3-d]pyrimidine-5-carboxamide, 4-amino-2-methyl-7-β-D-ribofuranosyl- Nucleoside analogs (oral, norovirus infection), Chimerix 4-amino-7-((2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-2-methyl-7H-pyrrolo[2,3-d]pyrimidine-5-carboxamide 4-amino-7-[(2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-2-methylpyrrolo[2,3-d]pyrimidine-5-carboxamide CMX8521 is a nucleoside analog that inhibits the norovirus RNA polymerase. CMX8521 has in vitro activity against mouse and human norovirus.Where possible, Chimerix uses its lipid conjugate technology to build nucleoside-analog antivirals that …