tert-Butyl (3a'R,6a'S)-2,2-dichloro-3-oxotetrahydro-1'H-spiro[cyclobutane-1,5'-cyclopenta[c]pyrrole]-2'(3'H)-carboxylate 250mg

tert-Butyl (3a'R,6a'S)-2,2-dichloro-3-oxotetrahydro-1'H-spiro[cyclobutane-1,5'-cyclopenta[c]pyrrole]-2'(3'H)-carboxylate 250mg