tert-Butyl 5-fluoro-2-oxospiro[indoline-3,4'-piperidine]-1'-carboxylate
N-[3',6'-Bis(beta-D-galactopyranosyloxy)-3-oxospiro[isobenzofuran-1(3H),9'-[9H]xanthen]-5-yl]dodecanamide
6-Oxospiro[3.3]heptane-2-carboxylic acid
tert-Butyl 5-amino-2-oxospiro[indoline-3,3'-pyrrolidine]-1'-carboxylate
tert-Butyl 5-bromo-2-oxospiro[indoline-3,3'-pyrrolidine]-1'-carboxylate
tert-Butyl 6-amino-2-oxospiro[indoline-3,3'-pyrrolidine]-1'-carboxylate
1-(3',6'-Bis(ethylamino)-2',7'-dimethyl-3-oxospiro[isoindoline-1,9'-xanthen]-2-yl)-3-phenylthiourea
