6051-66-7
2,5-二甲基-1,4-苯二甲酸
→
108-31-6
马来酸酐
+
89-32-7
均苯四甲酸二酐
528-44-9
偏苯三甲酸
552-30-7
偏苯三酸酐
18190-63-1
1,3-Benzenedicarboxylic acid, 2,4-dimethyl-
54699-35-3
benzene-1,2,4-tricarboxylic acid-1,2-dimethyl ester
105903-40-0
4-cyano-phthalic acid diethyl ester
22572-84-5
diethyl 4-aminobenzene-1,2-dicarboxylate
13912-71-5
1,2,4-Benzenetricarboxylic acid dihydrogen 1-methyl ester
13940-95-9
benzene-1,2,4-tricarboxylic acid-2-methyl ester
2459-10-1
1,2,4-苯三羧酸三甲酯
95-63-6
1,2,4-三甲基苯