API
IMPURITY
CHEMICAL NAME
STRUCTURE
2
Roflumilast

Roflumilast Impurity

3,4-Bis(cyclopropylmethoxy)-N-(3,5-dichloropyridin-4-yl)benzamide Roflumilast-Impurity-3,4-Bis
Roflumilast

Roflumilast Impurity

3,5-Dichloropyrdin-4amine Roflumilast-Impurity-3,5-Dichloropyrdin-4amine
Roflumilast

Roflumilast Impurity

3-(Cyclopropylmethoxy)-4-(difluoromethoxy)benzoicacid Roflumilast-Impurity_3-(Cyclopropylmethoxy)
Roflumilast

Roflumilast Impurity

N-(3,5-Dichloropropyridin-4-yl)-3,4-bis(difluoromethoxy)benzamide Roflumilast-Impurity_N-(3,5-Dichloropropyridin-4-yl)
Roflumilast

Roflumilast Impurity

3-(Cyclopropylmethoxy)-N-(3,5-dichloro-4-pyridinyl-oxide)-4-difluoromethoxy)benzamide (N-OXIDE) Roflumilast-Impurity-3-(Cyclopropylmethoxy)-N