2-Amino-6-ethyl-4,5,7,8-tetrahydro-6H-oxazolo(5,4-d)azepine dihydrochloride 36067-72-8 36067-73-9 4H-Oxazolo(4,5-d)azepin-2-amine, 5,6,7,8-tetrahydro-6-ethyl-, dihydrochloride 5,6,7,8-Tetrahydro-6-ethyl-4H-oxazolo(4,5-d)azepin-2-amine dihydrochloride Azepexole hydrochloride B-HT 933 NSC 310831