Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Patent
1995-01-13
1997-02-11
Ivy, Warren C.
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Having -c-, wherein x is chalcogen, bonded directly to...
514278, 546 15, 546158, A61K 3147, C07D21504, C07D21512, C07D21516
Patent
active
056021461
ABSTRACT:
Compounds of the formula I ##STR1## and tautomeric forms thereof, of the formula Ia, ##STR2## in which the substituents R1-R4 and X and Y have the meanings given; have an antiviral activity.
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Bender Rudolph
Billhardt-Troughton Uta-Maria
Meichsner Christoph
R osner Manfred
Hoechst Aktiengesellschaft
Ivy Warren C.
M. Mach D. Margaret
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