ethyl (3S)-3-[4-[[5-(spiro[indene-1,4'-piperidine]-1'-ylmethyl)-2-thienyl]methoxy]phenyl]hex-4-ynoate
ethyl 5-(spiro[indene-1,4'-piperidine]-1'-ylmethyl)thiophene-2-carboxylate
spiro(1H-indene-1,4'-piperidine) hydrochloride
spiro[indene-1,4'-piperidine]
5-bromomethyl-2-carbomethoxythiophene