3-[(3-Oxo-1-butenyl)amino]-5-(pyridinyl)-2(1H)-pyridinones and t

3-[(8-Carboxy-6-tetraz olo[1,5-b]pyridazinyl)-thiomethyl]-7-[2-(

3-[2-(Mono-and dialkylamino)propyl]-1,2,3,4-tetrahydro-5H-[1]ben

3-[2-(Tetra- and Hexa- hydro-4-pyridyl)-ethyl]-indoles and their

3-[Pyridinylalkyl and piperidinylalkyl]-2,3,4,4a-tetrahydro-1H-p

32-kDa protein derived from Mycobacterium tuberculosis and...

32-kDa protein derived from Mycobacterium tuberculosis and...

39-kilodalton antigen specific to Borrelia burgdorferi

4(1H)-pyrimidinones

4(2' Isoquinolin-1-one)piperidines

4(3H)-Quinazolinone derivatives, process for production thereof,

4(or 3)-(3,4-Dihydroxyphenyl)pyridines, their cardiotonic use an

4,1-Benzoxazonine derivatives and process therefor

4,4-Diphenylcycloalkylpiperidines and psychotropic compositions

4,5,6,7-Tetrahydro-thieno[2,3-c]-and [3,2-c]-pyridines, and ther

4,5-Deoxymaytansinoids, their use and pharmaceutical composition

4,5-Dihydro-2-methyl-6-(4-pyridinyl)-3(2H)-pyridazinone and its

4,5-Dihydro-4,5-dioxo-1H-1-benzopyrano (2,3-B)-pyridine-3-carbox

4,5-Dihydro-4-oxo-1,3-dith iolo(4,5-D)pyridazine-2-ylidene-propa

4,5-Dihydro-5-oxopyrazolo[1,5-A]quinazoline-3-carboxamides