3,4-diamino-1,2,5-thiadiazole-1-oxides having histamine H.sub.1

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...

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514338, 514333, 514256, 546277, 546270, 546256, 544333, C07D41712, A61K 3144

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active

047710586

ABSTRACT:
The invention relates to a class of 3,4-diamino-1,2,5-thiadiazole-1-oxides which have histamine H.sub.1 -antagonist activity. A preferred compound of the invention is 3-[3-(5-bromo-3-methylpyrid-2-ylamino)-propylamino]-4-amino-1,2,5-thiadiaz ole-1-oxide.

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