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US4013647A Morpholine containing tetrazole-5-carboxamide derivatives 失效
含有四唑-5-羧酰胺衍生物的吗啉

Morpholine containing tetrazole-5-carboxamide derivatives
摘要:
Anti-allergic agents of N-aromatic 1H-(or 2H) tetrazole-5-carboxamide derivation present the following formulae: ##STR1## in which R.sup.1 is --CN or --CONH.sub.2 ;R.sup.2 is hydrogen, lower alkyl, lower alkoxy, halo, polyhalo(lower)alkyl, lower alkyl carbonyl or carb(lower)alkoxy;X is --CH.sub.2 --, ##STR2## where R.sup.3 is lower alkyl and R.sup.4 is hydrogen or lower alkyl;Or a pharmaceutically acceptable salt thereof.
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