Additional Nitrogen Containing Hetero Ring (e.g., Thiazetidine, Etc.) Patents (Class 544/111)
Six-membered ring consisting of one nitrogen and five carbons (e.g., pyridine, etc.) (Class 544/124)
- The five-membered hetero ring has at least sulfur and nitrogen as ring hetero atoms (Class 544/133)
- The five-membered hetero ring has at least oxygen and nitrogen as ring hetero atoms (Class 544/137)
- 1,3-Diazole ring (including hydrogenated) (Class 544/139)
- 1,2-Diazole ring (including hydrogenated) (Class 544/140)