21085-72-3
乙酰溴-Alpha-D-葡萄糖酮酸甲基酯
+
119-36-8
柳酸甲酯
→
101231-54-3
methyl (2S,3S,4S,5R,6S)-3,4,5-triacetyloxy-6-(2-methoxycarbonylphenoxy)oxane-2-carboxylate