英文别名spiro[benzo[d][1,3]oxazine-4,4'-piperidin]-2(1H)-one hydrochloride; Spiro[benzo[d][1,3]oxazine-4,4'-piperidin]-2(1H); spiro[1H-3,1-benzoxazine-4,4'-piperidine]-2-one,hydrochloride; Spiro[3,1-benzoxazine-4,4'-piperidin]-2(1H)-one hydrochloride (1:1); Spiro[4H-3,1-benzoxazine-4,4'-piperidin]-2(1H)-one, hydrochloride (1:1) 
