Synonyms: 3(2H)-Pyridazinone,6-[2-[3-[(1,1-dimethylethyl)amino]-2-hydroxypropoxy]phenyl]-, hydrazone,dihydrochloride (9CI); 3(2H)-Pyridazinone,6-[2-[3-[(1,1-dimethylethyl)amino]-2-hydroxypropoxy]phenyl]-, hydrazone,dihydrochloride, (?à)-; Prizidilol hydrochloride; SKF 92657A2