611-20-1
邻羟基苯甲腈
+
104-12-1
对氯苯异氰酸酯
→
~74%
88220-44-4
4-(4-chloroanilino)-1,3-benzoxazin-2-one
88220-36-4
(2-cyanophenyl) N-(4-chlorophenyl)carbamate