Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Heterocyclic carbon compounds containing a hetero ring...
Patent
1986-12-23
1989-01-10
Daus, Donald G.
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Heterocyclic carbon compounds containing a hetero ring...
514218, 540575, 544362, 544368, 544370, 544373, A61K 31495, A61K 3144, C07D51300, C07D51306
Patent
active
047973994
ABSTRACT:
The present invention relates to N-containing fused heterocyclic compounds of the formula: ##STR1## wherein R.sub.1 and R.sub.2 are each hydrogen, halogen, aryl, lower alkyl, halo (lower) alkyl or nitro,
REFERENCES:
patent: 3661921 (1972-05-01), Umio et al.
patent: 4279909 (1981-07-01), Takashima
Chemical Abstracts, vol. 101, No. 19, Nov. 5, 1984, pp. 706-707, Ref. No. 171287G.
Matsuo Masaaki
Nakaguchi Osamu
Okumura Hiroyuki
Tsuji Kiyoshi
Ueda Ikuo
Daus Donald G.
Fujisawa Pharmaceutical Co. Ltd.
Shen Cecilia
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