939-80-0
4-氯-3-硝基苯甲腈
+
5680-79-5
甘氨酸甲酯盐酸盐
→
~98%
186666-78-4
3-oxo-2,4-dihydro-1H-quinoxaline-6-carbonitrile
623-03-0
对氯苯甲腈
19005-68-6