abstract |
Compounds are described offormula (I)n and salts thereof, whereinn R 1 represents a methyl, ethyl or isopropyl group; R 2 is alkyl; alkyl substituted by carboxyoralkoxycar- bonyl; alkenyl; phenyl or phenalkyl; R 3 is-OH; n OR 4 is a hydroxyl group or a substituted hydroxyl group having up to 25 carbon atoms. n These compounds may be used for controlling insect, acarine, nematode or other pests. |