The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 08, 1981
Filed:
Jul. 30, 1980
Applicant:
Inventors:
Tosaku Miki, Tokyo, JP;
Akashi Eriguchi, Tokyo, JP;
Yasushi Abiko, Tokyo, JP;
Kinya Kameda, Tokyo, JP;
Assignee:
Daiichi Seiyaku Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; A61K / ; C07D / ;
U.S. Cl.
CPC ...
424266 ; 546256 ; 546263 ; 546315 ; 546318 ;
Abstract
A compound of the formula: ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 each represents a member selected from the group consisting of hydrogen and nicotinoyl, with the proviso that R.sub.1, R.sub.2 and R.sub.3 do not all simultaneously represent hydrogen, and the nontoxic acid addition salts thereof.