having rings with four or more nitrogen atoms as the only ring hetero atoms

Full Title

Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds > having rings with four or more nitrogen atoms as the only ring hetero atoms

Classification Context

Section:

HUMAN NECESSITIES

Class:

AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING

Subclass:

PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS