A compound of the general formula (I) including its pharmaceutically acceptable acid addition salts
wherein A is CHR
9
, wherein R
9
is H, C
1
-C
6
alkyl; n is 1-3; B is CHR
10
, wherein R
10
is H, C
1
-C
6
alkyl; m is 1 or 2; D is O or S or optionally NR
16
, wherein R
16
is H, C
1
-C
6
alkyl or C
2
-C
6
acyl; E is CR
11
R
12
or NR
13
, wherein R
11
and R
12
are, independent of each other, H or C
1
-C
6
alkyl, R
13
is H or C
1
-C
6
alkyl; F is C
1
-C
18
alkyl which may be mono- or di-unsaturated and/or substituted, is useful in treating and preventing pulmonary disease characterized by bronchoconstriction. Also disclosed are pharmaceutical compositions comprising the compound and methods for their manufacture.