2-Imino-5-oxo-2,3,4,5-tetrahydropyrazolo[5',1':3,4][1,2,4]triazino[6,5-f][1,3,4]thiadiazepine-8-carboxylic acid hydrochloride AIDS-157699 AIDS157699 NSC647711 (HYDROCHLORIDE SALT) Pyrazolo[5',1':3,4][1,2,4]triazino[6,5-f]-1,3, 4-thiadiazepine-8-carboxylic acid, 2-amino-4,5-dihydro-5-oxo-, HCl {Pyrazolo[5',1':3,4][1,2,4]triazino[6,5-f]-1,3,} 4-thiadiazepine-8-carboxylic acid, 2-amino-4,5-dihydro-5-oxo-, HCl