4,6-Dideoxy-2-O-methyl-3-C-methyl-4-(2'-methoxypropionamido)manno-hexopyranose 92355-88-9 L-Mannose, 4,6-dideoxy-4-((2-methoxy-1-oxopropyl)amino)-3-C-methyl-2-O-methyl-, (+-)- N-Acylkansosamine