Clonazepam Impurity B

3-Amino-4-(2-chlorophenyl)-6-nitroquinolin-2(1H)-one|3-Amino-4-(2-chlorophenyl)-6-nitroquinolin-2(1H)-one; USP Clonazepam Related Impurity A; Clonazepam EP Impurity B|3-amino-4-(2-chlorophenyl)-6-nitroquinolin-2(1H)-one.|Clonazepam Impurity 3|Clonazepam Related Impurity A;