53347-36-7 Glucopyranoside, butyl 2-deoxy-2-(3-methyl-3-nitrosoureido)-, alpha-D- alpha-Butylstreptozotocin alpha-D-Butyl 2-deoxy-2-(3-methyl-3-nitrosoureido)glucopyranoside alpha-D-Glucopyranoside, butyl 2-deoxy-2-(((methylnitrosoamino)carbonyl)amino)- (9CI)