New urea derivatives, their preparation and their application in

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Nitrogen containing other than solely as a nitrogen in an...

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514353, 514357, 514584, 514587, 514594, 514595, 546305, 564 23, 564 28, 564 44, 564 50, 564 56, 552289, A01N 4730, C07C27504

Patent

active

052887588

ABSTRACT:
New urea derivatives corresponding to the general formula 1 ##STR1## in which: R.sup.1 represents a C.sub.1 -C.sub.4 alkyl group;

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