Novo Nordisk A/s

Lars J Stray Knudsen

Knud Erik Andersen

Ursula Sonnewald

Per O Sorensen

Novel N-substituted azaheterocyclic carboxylic acids and esters thereof in which a substituted alkyl chain forms part of the N-substituent, the compounds thus having the general formula I ##STR1## wherein Y is ##STR2## wherein R.sup.1 and R.sup.2 independently are C.sub.3-8 cycloalkyl phenyl or thienyl all of which may be optionally substituted with halogen, trifluoromethyl, C.sub.1-16 alkyl or C.sub.1-6 alkoxy;

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Vedbaek, Denmark

Lars J Stray Knudsen