Iso DesloratadineDesloratadine IMP 8-Chloro-6,11-dihydro-11-(1,2,3,6-tetrahydro-4-pyridinyl)-5H-benzo[5,6]cyclohepta[1,2-b]pyridine

N-AcetyldesloratadineDesloratadine IMP 1-[4-(8-Chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)-1-piperidinyl]-ethanone

Desloratadine N-OxideDesloratadine IMP 8-Chloro-6,11-dihydro-11-(4-piperidinylidene)-5H-benzo[5,6]cyclohepta[1,2-b]pyridine 1-Oxide

N-Desmethyl AzatadineDesloratadine IMP 6,11-Dihydro-11-(4-piperidinylidene)-5H-benzo[5,6]cyclohepta[1,2-b]pyridine

DesmopressinDesmopressin API N-(3-mercapto-1-oxopropyl)-L-tyrosyl-L-phenylalanyl-L-glutaminyl-L-asparaginyl-L-cysteinyl-L-prolyl-D-arginyl-glycinamide, cyclic (1→5)-disulfide

Desonide GlyoxalDesonide IMP 2-((6aR,6bS,7S,8aS,8bS,11aR,12aS,12bS)-7-hydroxy-6a,8a,10,10-tetramethyl-4-oxo-2,4,6a,6b,7,8,8a,8b,11a,12,12a,12b-dno[1,2-d][1,3]dioxol-8b-yl)-2-oxoacetaldehyde

Darifenacin Des-Nitrile ImpurityDarifenacin IMP ((S)-3-benzhydryl-1-(2-(2,3-dihydrobenzofuran-5-yl)ethyl)pyrrolidine

Darifenacin Dimer Impurity-1Darifenacin IMP (S)-N,N-bis(2-(2,3-dihydrobenzofuran-5-yl)ethyl)-2,2-diphenyl-2-(pyrrolidin-3-yl)acetamide

Darifenacin Dimer Impurity-2Darifenacin IMP (S)-2-(1-(2-(2,3-dihydrobenzofuran-5-yl)ethyl)pyrrolidin-3-yl)-N-(2-(2,3-dihydrobenzofuran-6-yl)ethyl)-2,2-diphenylacetamide

Darifenacin Nitrile ImpurityDarifenacin IMP (S)-2-(1-(2-(2,3-dihydrobenzofuran-5-yl)ethyl)pyrrolidin-3-yl)-2,2-diphenylacetonitrile