Chemistry: fertilizers – Processes and products – Forms or conditioning
Patent
1986-11-18
1991-02-12
Ramsuer, Robert W.
Chemistry: fertilizers
Processes and products
Forms or conditioning
71 94, 71 95, 71118, 544164, 546224, 548557, 564150, A01N 4384, A01N 3718, C07C24338, C07D26530
Patent
active
049920898
ABSTRACT:
A compound of formula (I) ##STR1## or a zwitterion derivative thereof; wherein R.sup.1, R.sup.2 and R.sup.3 are each independently optionally substituted alkyl or R.sup.1 and R.sup.2 together with the nitrogen atom to which they are attached form a 5- or 6- membered heterocyclic ring; R.sup.4 is hydrogen, nitro, halo, alkyl or CF.sub.3 ; R.sup.5 is halo; and .crclbar. and Z is an anion. The compounds are useful as herbicides.
Cartwright David
Collins David J.
Imperial Chemical Industries plc
Ramsuer Robert W.
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