Clarithromycin (9E)-O-MethyloximeClarithromycin IMP 6-O-Methylerythromycin (9E)-9-(O-Methyloxime)

N-formyl clarithromycinClarithromycin IMP 3"-N-Demethyl-3"-N-formylclarithromycin

De(cladinosyl) ClarithromycinClarithromycin IMP 3-O-De(2,6-dideoxy-3-C-methyl-3-O-methyl-α-L-ribo-hexopyranosyl)-6-O-methylerythromycin

Clarithromycin Secondary StandardClarithromycin API 6-O-Methylerythromycin A

Clarithromycin E-9-OximeClarithromycin IMP 6-O-Methylerythromycin 9-Oxime

11-O-MethylclarithromycinClarithromycin IMP 6,11-Di-O-methyl Erythromycin

Citalopram Impurity DCitalopram IMP 1-(4-Fluorophenyl)-1-(3-methylaminopropyl)-1,3-dihydroisobenzofuran-5-carbonitrile Hydrobromide

Citalopram N-OxideCitalopram IMP (1-(3-dimethylaminopropyl)-1-(4-fluorophenyl)-1,3-dihydroisobenzofuran-5-carbonitrile-N-oxide hydrochloride)

Citalopram R-IsomerCitalopram IMP (R)-(-)-1-(3-Dimethylaminopropyl)-1-(4-fluoro-phenyl)-1,3-dihydro-isobenzofuran-5-carbonitrile Oxalate

rac-Citalopam CarboxamideCitalopram IMP (1-(3-dimethylaminopropyl)-1-(4-fluorophenyl)-1,3-dihydroisobenzofuran-5-carboxamide)