1-benzyl-7-phenyl-5,6-dihydropyrazolo[3,4-e]-[1,4]diazepin-4(1H)-one
2-(5-amino-1-benzyl-1H-pyrazol-4-ylcarbonylamino)acetic acid
1-benzyl-1,5,6,8-tetrahydropyrazolo[3,4-e][1,4]-diazepine-4,7-dione
methyl N-[5-amino-1-(cyclohexylmethyl)-1H-pyrazol-4-ylcarbonylamino]acetate
1-benzyl-5,6,7,8-tetrahydropyrazolo[3,4-e][1,4]-diazepin-4(1H)-one