Triazines Patents (Class 544/180)
- Phosphorus containing (Class 544/195)
- Three substituent nitrogens bonded directly to the three carbons of the triazine ring (Class 544/196)
- Two substituent nitrogens bonded directly to two carbons of the triazine ring (Class 544/204)
- Additional ring containing (Class 544/211)
- Sulfur containing (Class 544/213)