67-56-1
甲醇
+
87350-83-2
2-chloro-5-nitrobenzene-1,3-dicarboxylic acid
→
~86%
87350-69-4
dimethyl 2-chloro-5-nitrobenzene-1,3-dicarboxylate
13049-16-6
2-chlorobenzene-1,3-dicarboxylic acid