Ester Doai Patents (Class 514/506)
- Z contains a cyclopentyl or cyclopentene ring (Class 514/530)
- Z contains a cyclopropyl or cyclopropene ring (Class 514/531)
- Z-C(=O)-O-Y, wherein Z contains a benzene ring (Class 514/532)
- ZC(=O)OY, wherein Z is an acyclic radical bonded to the C=O by a carbon and Y is an organic radical bonded to the oxygen by a carbon (Class 514/546)