N-Acetyldesloratadine Sch 37370 1-[4-[(8-Chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridine)-11-ylidene]piperidino]ethanone 1-Acetyl-4-[(8-chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin)-11-ylidene]piperidine N-Acetyldesloratadine N 1-(4-(8-chloro-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-11(6H)-ylidene)piperidin-1-yl)ethanone 1-[4-(8-chloro-5,6-dihydrobenzo[1,2]cyclohepta[2,4-b]pyridin-11-ylidene)piperidin-1-yl]ethanone N-acetyl base loratadine