185526-66-3

1'-Boc-2,3-dihydrospiro[indene-1,4'-piperidine]-3-acetic acid 2-(1'-tert-butoxycarbonylspiro[indane-3,4'-piperidine]-1-yl)acetic acid 2-(1'-(tert-Butoxycarbonyl)-2,3-dihydrospiro[indene-1,4'-piperidin]-3-yl)acetic acid 1'-[(tert-Butoxy)carbonyl]-2,3-dihydrospiro[1H-indene-1,4'-piperidine]-3-acetic acid 2-(1'-(tert-butoxycarbonyl)-2,3-dihydrospiro[indene-1,4'-piperidine]-3-yl)acetic acid