Pyrone-3-carboxamide compounds and herbicidal composition thereo

Chemistry: fertilizers – Processes and products – Forms or conditioning

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549396, 549402, 549419, A01N 4300, C07D31174, C07D31194

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active

048865460

ABSTRACT:
A compound of the formula (I) ##STR1## wherein (1) when R.sub.1 is a C.sub.2-11 alkyl, a lower alkenyl, a lower alkynyl, a cycloalkyl, a lower alkoxyalkyl, an aralkyl which may be substituted, a lower haloalkyl or a 5 or 6 membered heterocycle;

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