Synonyms: 1-Oxa-3,8-diazaspiro[4.5]decan-2-one,8-(2-phenylethyl)-, monohydrochloride (9CI);1-Oxa-3,8-diazaspiro[4.5]decan-2-one, 8-phenethyl-, monohydrochloride (8CI);8-Phenethyl-1-oxa-3,8-diazaspiro[4.5]decan-2-one hydrochloride; Decaspir;Decaspiride; Erespal; Fenspiride hydrochloride; Fluiden; JP 428; NAT 333; NDR5998A; Pneumorel; Tegencia; Viarespan