Ambroxol Impurity BAmbroxol trans-4-(6,8-dibromo-1,4-dihydroquinazolin-3(2H)-yl)cyclohexanol

Ambroxol Impurity EAmbroxol 2-amino-3,5-dibromobenzaldehyde

Ambroxol Impurity AAmbroxol (2-amino-3,5-dibromophenyl)methanol

ThymineZidovudine IMP 2,4-Dihydroxy-5-methylpyrimidine

Zoledronic Acid Secondary StandardZoledronic Acid API P,P'-[1-Hydroxy-2-(1H-imidazol-1-yl)ethylidene]bisphosphonic Acid monohydrate

Imidazol-1-yl-essigsaeureZoledronic Acid IMP 1H-Imidazole-1-acetic Acid

ent-ValsartanValsartan IMP (2R)-3-Methyl-2-[pentanoyl[[2'(1H-tetrazol-5-yl)biphenyl-4-yl]methyl]amino]butanoic Acid

Valsartan Benzyl EsterValsartan IMP N-(1-Oxopentyl)-N-[[2'-(2H-tetrazol-5-yl)[1,1'-biphenyl]-4-yl]methyl]-L-valine Phenylmethyl Ester

Valsartan n-Propyl Impurity Valsartan IMP (N-butyryl-N-{[2'-(1H-tetrazole-5-yl)-biphenyl-4-yl]methyl}-L-valine)

Ursodeoxycholic Acid Methyl EsterUrsodeoxycholic Acid IMP (3α,5β,7β)-3,7-Dihydroxycholan-24-oic Acid Methyl Ester