4 - (3,4 - disubstituted phenyl) - pyrrolidin-2-one...
4 - (pyridyl) cyclohexanone derivatives
4 - benzyl - and 4 - benzoyl - substituted imidazole...
4 amino quinolines and naphthyridines, process for their...
4 benzoyl isoxazole derivatives
4 h-3, 1-benzoxazin-4-ones and related compounds
4 substituted pyrazolopyrimidines useful as pkc-theta...
4"-0-sulfonyl erythromycin-9-0-oxime derivatives
4"-and 4'-alkylthio-avermectin derivatives
4"-deoxy-4"-(s)-amido avermectin derivatives
4"-deoxy-4"-(s)-amino avermectin derivatives
4"-deoxy-4"-acylamido derivatives of oleandomycin,...
4"-deoxy-4"-acylamido derivatives of oleandomycin,...
4"-deoxy-4"-arylglyoxamido- and aroylthioformamido...
4"-deoxy-4"-oxoerythromycin b derivatives
4"-deoxyerythromycin derivatives
4"-epi erythromycin a and derivatives thereof as useful...
4"-substituted-9-deoxo-9a-aza-9a-homoerythromycin a derivatives
4' n-monosubstituted diphenylamines used to dye keratinic...
4' substituted compounds having 5-ht6 receptor affinity