N-c(=x)x Containing (x Is Chalcogen) Doai Patents (Class 514/476)
- With an additional active ingredient (Class 514/479)
- Polycyclo ring system attached by nonionic bonding (Class 514/480)
- N-C(=X)-N, N-C(=N)N, N-N, nitrogen directly bonded to oxygen by nonionic bonding or cyano containing (Class 514/482)
- Plural N-C(=X)-X groups (Class 514/483)
- Ring in acid moiety (Class 514/484)
- Ring in alcohol moiety (Class 514/489)