Domperidone Impurity FDomperidone IMP 1-(3-(4-(5-chloro-2-oxo-2,3-dihydro-1H-benzo[d]imidazol-1-yl)piperidin-1-yl)propyl)-3-(1-(3-(4-(5-chloro-2-oxo-2,3-dihydro-1H-benzo[d]imidazol-1-yl)piperidin-1-yl)propyl)piperidin-4-yl)-1H-benzo[d]imidazol-2(3H)-one

(2E)-DehydrodonepezilDonepezil IMP (E)-2-[(1-benzylpiperidin-4-yl)methylene]-5,6-dimethoxyindan-1-one

Donepezil Open Ring ImpurityDonepezil IMP 4,5-Dimethoxy-2-[2-oxo-3-[1-(phenylmethyl)-4-piperidinyl]propyl]benl Impurity;2-(3-(1-Benzylpiperidin-4-yl)-2-oxopropyl)-4,5-dimethoxybenzoic Acid

Doxofylline Secondary StandardDoxofylline API 7-(1,3-Dioxolan-2-ylmethyl)theophylline

Doxorubicin Hydrochloride Secondary StandardDoxorubicin Hydrochloride API (8S,10S)-10-[(3-Amino-2,3,6-trideoxy-α-lyxo-hexopyranosyl)oxy]-7,8,9,10-tetrahydro-6,8,11-trihydroxy-8-(hydroxyacetyl)-1-methoxy-5,12-naphthacenedione Hydrochloride

Doxycycline HyclateDoxycycline Hyclate API Doxycycline Hydrochloride Hemiethanolate Hemihydrate

N-Desmethyl Diphenhydramine HydrochlorideDiphenhydramine IMP 2-(Diphenylmethoxy)-N-methylethanamine Hydrochloride

4-Methyldiphenhydramine HydrochlorideDiphenhydramine IMP N,N-dimethyl-2-(phenyl(p-tolyl)methoxy)ethanamine

Bromazine HydrochlorideDiphenhydramine IMP 2-((4-bromophenyl)(phenyl)methoxy)-N,N-dimethylethanamine

Diphenhydramine Impurity DDiphenhydramine IMP Diphenylmethanol