4H-pyrazolo[1,5-a]pyrazolo[4',3':5,6]pyrido[3,4-e]pyrimidin-5(8H
4H-pyrazolo[1,5-a]pyrazolo[4',3':5,6]pyrido[3,4-e]pyrimidin-5(8H
4H-Pyrazolo[4',3':5,6]pyri do[4,3-d][1,2,4]triazolo[3,2-b]-pyrim
4H-quinolizin-4-one compounds exhibiting therapeutic activities
4H-quinolizin-4-one compounds useful for the treatment of allerg
4H-quinolizin-4-ones for treatment of diseases associated with i
4H-s-Triazolo[4,3-a][1,5]benzodiazepin-5-ones as tranquilizers
4H-thieno[3,4-c]pyrrole derivatives
4H-triazolo[4,3-a][1,4]benzodiazepines
4[piperidin-4-yliden-(3-carbamoylpheny)methyl]benzamide...