4-Quinazolinyl-guanidines

4-Quinoline and 4-isoquinoline derivatives of 2,6-diamino-1,4-di

4-Quinolinones having antihypertensive activity

4-Substituted-1,3-dithiolan-2-ylidene malonates and pharmaceutic

4-Substituted-2-arylimidazoles

4-Substituted-6-(pyridinyl)-3(2h)-pyridazinones and their use as

4-Tert. butyl-3'-chlorodiphenylamine derivatives, their preparat

4-[(3-(4-Quinolyl)propyl])piperidines, their preparation and the

4-[(Cycloalkyl or cycloalkenyl substituted) amino, alkylamino or

4-[2-(2-Substituted phenyl)ethenyl]-N-alkenyl or alkinyl substit

4-[2-[Bis(halophenyl)methoxy]-ethyl]-.alpha.-(substituted phenyl

4-[4(or 3)-Acylaminophenyl]pyridines and their use as cardiotoni

4-[4-(2-Methyl-3-hydroxy-4-hydroxymethyl-5-pyridyl-methyl)- 1-pi

4-[4-(Substituted)piperidino]quinazoline cardiac stimulants

4.alpha.,5.alpha.-Epoxy-3,20-dioxopregnan e-2.alpha.,16.alpha.-d

43 Kd protein vaccine and method for the production thereof

4H-Benzo[4,5]cyclohepta[1,2-b]thiophenes

4H-Imidazo[2,3-c]pyrido[2,3-e][1,4]oxazine derivatives

4H-pyrazolo[1 ,5-a]pyrazolo[4',3':5,6]pyrido[3,4-e]pyrimidin-5(8

4H-pyrazolo[1,5-a]pyrazolo[4',3':5,6]pyrido[3,4-e]pyrimidin-5(8H