Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Patent
1989-06-30
1990-07-17
Rizzo, Nicholas S.
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Having -c-, wherein x is chalcogen, bonded directly to...
514263, 544276, 544277, C07D47318, A61K 3152
Patent
active
049421662
ABSTRACT:
A crystalline monohydrate of the compound of formula (A) or a crystalline sodium salt monohydrate of the compound of formula (A): ##STR1## having antiviral activity, processes for their preparation and their use as pharmaceuticals.
REFERENCES:
patent: 4642346 (1987-02-01), Chan et al.
patent: 4798833 (1989-01-01), Johansson et al.
Geen Graham R.
Harnden Michael R.
Jarvest Richard L.
Beecham Group p.l.c.
Rizzo Nicholas S.
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