The present invention concerns compounds of formula (I) ##STR00001## a stereochemically isomeric form thereof, an N-oxide form thereof or a pharmaceutically acceptable acid addition salt thereof, wherein -a.sup.1.dbd.a.sup.2-a.sup.3.dbd.a.sup.4- is a bivalent radical wherein one or two of a.sup.1 to a.sup.4 are nitrogen and the remaining a.sup.1 to a.sup.4 are --CH.dbd.; -Z.sup.1-Z.sup.2- is a bivalent radical; -A- is a bivalent radical of formula --N(R.sup.6)-Alk.sup.2- or a 5, 6 or 7-membered saturated heterocycle containing one or two nitrogen atoms; R.sup.1, R.sup.2 and R.sup.3 are each independently selected from hydrogen, C.sub.1-6alkyl, hydroxy, halo and the like; Alk.sup.1 and Alk.sup.2 are optionally substituted C.sub.1-6alkanediyl; R.sup.5 is a radical of formula ##STR00002## wherein n is 1 or 2; p.sup.1 is 0, and p.sup.2 is 1 or 2; or p.sup.1 is 1 or 2, and p.sup.2 is 0; X is oxygen, sulfur or .dbd.NR.sup.9; Y.sup.2 is oxygen or sulfur; R.sup.7 is hydrogen, C.sub.1-6alkyl, C.sub.3-6cycloalkyl, phenyl or phenylmethyl; R.sup.8 is C.sub.1-6alkyl, C.sub.3-6cycloalkyl phenyl or phenylmethyl; R.sup.9 is cyano, C.sub.1-6alkyl, C.sub.3-6cycloalkyl, C.sub.1-6alkyloxycarbonyl or aminocarbonyl; R.sup.10 is hydrogen or C.sub.1-6alkyl; and Q is a bivalent radical. Processes for preparing said products, formulations comprising said products and their use as a medicine are disclosed, in particular for treating conditions which are related to disturbed fundic accomodation.

 
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