64-18-6
Formic acid
+
7767-55-7
2,3-Diamino-1,4-dimethoxybenzene dihydrochloride
→
7711-50-4
4,7-二甲氧基-(9ci)-1H-苯并咪唑
116599-29-2
6945-76-2
1,4-dimethoxy-2,3-dinitrobenzene
150-78-7
对苯二甲醚