API
IMPURITY
CHEMICAL NAME
STRUCTURE
2
Tolfenamic Acid

EP Impurity B

3-chloro-2-methylaniline Tilorone-Hydrochloride-Tilorone-Impurity-2,7-Dihydroxy
Tolfenamic Acid

EP Impurity A

2-chlorobenzoic acid Tilorone-Hydrochloride-Tilorone-Impurity-2,7-Dihydroxy