Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Patent
1987-04-22
1988-11-08
Lee, Mary C.
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Having -c-, wherein x is chalcogen, bonded directly to...
544243, 544320, 544321, 544323, A01N 4354, C07G23946
Patent
active
047834684
ABSTRACT:
The invention relates to novel substituted 2,4-diamino-5-cyano-pyrimidines of formula ##STR1## wherein R.sub.1 is hydrogen, C.sub.1 -C.sub.6 alkyl, C.sub.2 -C.sub.6 alkenyl or C.sub.2 -C.sub.6 alkynyl,
REFERENCES:
patent: 4092150 (1978-05-01), Treves
patent: 4116674 (1978-09-01), Sunley et al.
Kristiansen Odd
Kristinsson Haukur
Ciba-Geigy Corporation
Lee Mary C.
Mansfield Kevin T.
McC. Roberts Edward
Northington Zinna
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