N-HETEROCYCLYL-4-PIPERIDINAMINES, PREPARATION METHOD THEREOF AND ANTIALLERGIC COMPOSITION ON THEIR BASE
Piperidine derivs. of formula (I), their salts and isomers are new. In (I), A1=A2-A3-A4-=CH=CH-CH=CH (gp.(a)), N=CH-CH=CH (gp.(b)), CH=N-CH0CH (gp.(c)), CH=CH-N=CH (gp.(d)) or CH=CH-CH=N (gp(e)); and 1 or 2 H in gps (a)-(e) can be replaced by halo, alkyl, alkoxy, CF3 or OH; R=H, 1-10C alkyl, alkyl s...
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