67-56-1
甲醇
+
62876-66-8
5-dimethylamino-2-nitrobenzoic acid
→
~82%
749863-29-4
Methyl 5-(dimethylamino)-2-nitrobenzoate
393-85-1
2-硝基-5-氟苯甲酸甲酯
506-59-2
盐酸二甲胺
~70%