3-Nitro-5-amide-1,4-dihydropyridines with positive inotropic act

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Carbohydrate doai

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514 43, 514352, 546309, 536 23, 536 173, 536 181, C07D21198, C07D40512, A61K 3170, A61K 31455

Patent

active

045406847

ABSTRACT:
A 1,4-dihydropyridine derivative of the formula ##STR1## in which R and R.sub.1 each independently is hydrogen, C.sub.1 -C.sub.4 -alkyl, C.sub.1 to C.sub.12 -alkoxy, C.sub.1 -C.sub.4 -halogenoalkoxy, halogen, nitro, trifluoromethyl, ##STR2## X is oxygen or sulphur, R.sub.4 and R.sub.5 each independently is hydrogen, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.6 -alkoxy, halogen, trifluoromethyl, amino or nitro, and

REFERENCES:
patent: 4248873 (1981-02-01), Bossert et al.
patent: 4285955 (1981-08-01), Wehinger et al.

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