1 CKG 8-(cyclohexa-2,5-dien-1-ylideneamino)-1-(piperidin-4-ylmethyl)-4,5-dihydro-1h-pyrazolo[4,3-H]quinazoline-3-carboxamide 1.000 2 P49 1-methyl-8-(phenylamino)-4,5-dihydro-1h-pyrazolo[4,3-H]quinazoline-3-carboxylic acid 0.742