Anti-histaminic compositions containing as active ingredient a N-heterocyclyl-4-piperidinamine of formula
wherein,
L is hydrogen, C1-6alkyloxycarbonyl or phenylmethoxycarbonyl;
A1 = A2 - A3 = A4 is a bivalent radical having the formula
or
a pharmaceutically acceptable acid addition salt and possible stereochemically isomeric form thereof; methods of preparing said compounds and pharmaceutical compositions; novel compounds of formula (I).
抗
组胺组合物,含有式中的N-杂环基-4-
哌啶胺作为活性成分 其中,L是氢、C1-6-烷氧基羰基或
苯基甲氧基羰基;A1 = A2 - A3 = A4是具有式的二价基或药学上可接受的酸加成盐及其可能的立体
化学异构体形式;制备所述化合物和药物组合物的方法;式(I)的新型化合物。