5466-84-2
4-硝基苯酐
+
5713-61-1
苯硫基溴化镁
→
7499-72-1
4-nitro-2-(thiophene-2-carbonyl)benzoic acid
7499-53-8
5-nitro-2-(thiophene-2-carbonyl)benzoic acid
90072-77-8
1,2-Benzenedicarboxylic acid, 4-nitro-, 1-methyl ester