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-s-Triazolo[4,3-a][1,5]benzodiazepin-5-ones as tranquilizers
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