Drug – bio-affecting and body treating compositions – Antigen – epitope – or other immunospecific immunoeffector – Combination of antigens from multiple viral species
Patent
1982-10-14
1984-12-18
Gerstl, Robert
Drug, bio-affecting and body treating compositions
Antigen, epitope, or other immunospecific immunoeffector
Combination of antigens from multiple viral species
424270, 548117, 548183, C07D41712, A61K 31425
Patent
active
044890699
ABSTRACT:
Compounds of the formula ##STR1## in which one of the symbols R.sub.1 and R.sub.2 represents an alkyl radical that has 3 or 4 carbon atoms and is unsaturated in the 2,3-position, and the other represents such a radical or lower alkyl, R.sub.3 and R.sub.4 each represents, independently of the other, hydrogen or methyl, and A represents a radical of the formula ##STR2## in which Z.sub.1, or each of Z.sub.2 and Z.sub.3 independently of the other, represents hydrogen or lower alkyl, or Z.sub.2 and Z.sub.3 together represent lower alkylene, and salts of such compounds in which Z.sub.1, or Z.sub.3 and optionally also Z.sub.2, represent(s) hydrogen, exhibit tumor-inhibiting activities.
REFERENCES:
patent: 3699116 (1972-10-01), Meisels et al.
Ciba-Geigy AG
Gerstl Robert
Glynn Michael W.
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