Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Patent
1993-05-20
1996-06-11
Geist, Gary
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Having -c-, wherein x is chalcogen, bonded directly to...
544267, A61K 3152, C07D47300
Patent
active
055256074
ABSTRACT:
Novel xanthine compounds represented by the following formula: ##STR1## wherein each of R.sup.1, R.sup.2 and R.sup.3 independently represents hydrogen or lower alkyl;
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Ishii Akio
Karasawa Akira
Kubo Kazuhiro
Nonaka Hiromi
Ohno Tetsuji
Geist Gary
Kilby Scalzo Catherine
Kyowa Hakko Kogyo Co., LTD
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