Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Heterocyclic carbon compounds containing a hetero ring...
Patent
1990-01-24
1992-03-03
Springer, David B.
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Heterocyclic carbon compounds containing a hetero ring...
544336, 514255, A01N 4358, C07D24100
Patent
active
050933353
ABSTRACT:
A dicyanopyrazine compound of the formula: ##STR1## wherein each of R.sub.1, R.sub.2 and R.sub.3 is hydrogen, lower alkyl, lower alkenyl, lower alkynyl, cycloalkyl, aralkyl, substituted aralkyl or thienylmethyl, provided that R.sub.1, R.sub.2 and R.sub.3 are not simultaneously hydrogen and that at least one of R.sub.1, R.sub.2 and R.sub.3 is an alkyl group having four or more carbon atoms.
REFERENCES:
patent: 4766214, Cozzi et al.
Endo Yumi
Kawada Hiroshi
Tanaka Ken'ichi
Yamaguchi Katsuya
Hodogaya Chemical Company, Ltd.
Springer David B.
Whittenbaugh Robert C.
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