Synonyms: 3-(Cyclopropylmethoxy)-N-(3,5-dichloro-1-oxido-4-pyridinyl)-4-(difluoromethoxy)-benzamide, 3-(Cyclopropylmethoxy)-N-(3,5-dichloro-1-oxido-4-pyridinyl)-4-(difluoromethoxy)benzamide, N-(3,5-Dichloro-1-oxopyridin-4-yl)-4-difluoromethoxy-3-cyclopropylmethoxybenzamide, Roflumilast N-oxide