91-56-5
吲哚-2,3-二酮
+
4687-37-0
3,4-二甲氧基苯甲酰乙酸乙酯
→
~68%
88342-86-3
2-(3,4-dimethoxyphenyl)quinoline-3,4-dicarboxylic acid
88344-61-0
dimethyl 2-(3,4-dimethoxyphenyl)quinoline-3,4-dicarboxylate