Description
Class C07D : HETEROCYCLIC COMPOUNDS
Subclass 203/12: Heterocyclic compounds containing three-membered rings with one nitrogen atom as the only ring hetero atom not condensed with other rings having no double bonds between ring members or between ring members and non-ring members with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to the ring nitrogen atom Radicals substituted by nitrogen atoms not forming part of a nitro radical