(S)-1-((1-Carboxy-2-methylpropyl)nitrosoamino)-1-deoxy-D-fructose 99789-40-9 BRN 5586332 D-Fructose, 1-((1-carboxy-2-methylpropyl)nitrosoamino)-1-deoxy-, (S)- N-(1-Deoxy-D-fructos-1-yl)-L-N-nitrosovaline