2'-Deoxy-2'-(((2-methylnitrosoamino)carbonyl)amino)xanthosine 2'-Deoxy-2'-(3-methyl-3-nitrosoureido)xanthosine 70865-72-4 BRN 1192229 Xanthosine, 2'-deoxy-2'-(((2-methylnitrosoamino)carbonyl)amino)-