NC115011
5′-Guanylic acid, 2′,3′-O-(1-methylethylidene)-N-(2-methyl-1-oxopropyl)-, 2-cyanoethyl [4-[16-[(1,1-dimethylethoxy)carbonyl]-10,22,22-trimethyl-1,8,11,20-tetraoxo-21-oxa-2,7,12,16,19-pentaazatricos-9-en-1-yl]-2-nitrophenyl]methyl ester
508234-88-6