8-Chloro-5,6-dihydro-11H-benzo-(5,6)-cyclohepta-(1,2-b)-pyrimidine-11-on

8-chloro-10,11-dihydro-4-aza-5h-benzo[a,d] cycloheptan-5-one ; loratadine impurity b ; d] cycloheptan-5-one ; 11-dihydro-4-aza-5h-benzo[a ; loratadine ep impurity b ; 8-chloro-10,11-dihydro-4-aza-5 ; 8-chloro-10,11-dihydro-4-aza-5h-benzo〔a,d〕cyclohepta-5-one ; loratadine related compound c ; 4-aza-8-chloro-10,11-dihydro-5h-benzo[a,d]cyclo-5-heptanone ; 8-chloro-10