Patent ID: 6841564

Claim:
A pharmaceutical composition comprising a Leukotriene receptor antagonist, a Leukotriene biosynthesis inhibitor, or an M2/M3 antagonist; a compound represented by Formula (1): or a pharmaceutically acceptable salt thereof, wherein R 1 is C 1-6 alkyl or C 3-6 cycloalkyl, optionally substituted with 1-4 independent halogen; R 2 is C 1-6 alkyl or C 3-6 cycloalkyl, optionally substituted with 1-4 independent halogen; R 3 is C 1-4 alkyl, C 3-6 cycloalkyl, heteroaryl, or phenyl, any of which optionally substituted independently with 1-4 independent halogen or C 1-6 alkyl; R 4 is H or C 1-4 alkyl, said alkyl optionally substituted with 1-4 independent halogen; R P is H, halogen, nitrile, or a C 1-6 alkyl group, said alkyl optionally substituted with 1-4 independent halogen; n is 0 or 1; and when R 3 and R 4 are connected to each other through X, then R 3 and R 4 are each C 1 alkyl, and X is C 0-4 alkyl; and a pharmaceutically acceptable carrier.