24953-73-9
dimethyl 3,5-dimethoxybenzene-1,2-dicarboxylate
→
24953-74-0
dimethyl 3-hydroxy-5-methoxybenzene-1,2-dicarboxylate
16807-60-6
3-甲氧基-2-环己烯-1-酮
+
762-42-5
丁炔二酸二甲酯