127-09-3
无水醋酸钠
+
34296-99-6
methyl (2R,3S,4S)-3,4-diacetyloxy-3,4-dihydro-2H-pyran-2-carboxylate
→
81997-92-4
methyl (2S,3R,4R,5R)-3,4,6-triacetyloxy-5-azidooxane-2-carboxylate