281207-71-4
ethyl cis-6-aza-7-butyl-5-oxa-2[(phenylamino)carbonylamino]spiro[3.4]oct-6-ene-2-carboxylate
281207-75-8
ethyl cis-6-aza-2[(butylamino)carbonylamino]-5-oxa-7-phenylspiro[3.4]oct-6-ene-2-carboxylate
281207-73-6
ethyl cis-6-aza-7-(4-bromophenyl)-2{[(4-chlorophenyl)amino]carbonylamino}-5-oxaspiro[3.4]oct-6-ene-2-carboxylate
281207-72-5
ethyl cis-6-aza-5-oxa-7-phenyl-2[(benzylamino)carbonylamino]spiro[3.4]oct-6-ene-2-carboxylate
281207-70-3
ethyl cis-6-aza-7-(4-bromophenyl)-5-oxa-2[(phenylamino)carbonylamino]spiro[3.4]oct-6-ene-2-carboxylate