API |
IMPURITY |
CHEMICAL NAME |
STRUCTURE |
Roflumilast |
Roflumilast Impurity |
3,4-Bis(cyclopropylmethoxy)-N-(3,5-dichloropyridin-4-yl)benzamide |  |
Roflumilast |
Roflumilast Impurity |
3,5-Dichloropyrdin-4amine |  |
Roflumilast |
Roflumilast Impurity |
3-(Cyclopropylmethoxy)-4-(difluoromethoxy)benzoicacid |  |
Roflumilast |
Roflumilast Impurity |
N-(3,5-Dichloropropyridin-4-yl)-3,4-bis(difluoromethoxy)benzamide |  |
Roflumilast |
Roflumilast Impurity |
3-(Cyclopropylmethoxy)-N-(3,5-dichloro-4-pyridinyl-oxide)-4-difluoromethoxy)benzamide (N-OXIDE) |  |