Drug – bio-affecting and body treating compositions – Antigen – epitope – or other immunospecific immunoeffector – Bacterium or component thereof or substance produced by said...
Patent
1978-05-30
1980-01-22
Schenkman, Leonard
Drug, bio-affecting and body treating compositions
Antigen, epitope, or other immunospecific immunoeffector
Bacterium or component thereof or substance produced by said...
A61K 3147
Patent
active
041851196
ABSTRACT:
Compounds of the formula: ##STR1## wherein R.sub.1 and R.sub.2 are each hydrogen or methyl, providing that when R.sub.1 is hydrogen, R.sub.2 is hydrogen, have been found to be useful in relieving allergic symptoms by inhibiting histamine-release from mast cells. They can be used in free form or in the form of pharmaceutically acceptable acid addition salts.
REFERENCES:
Chemical Abstracts 68: 94521z, (1968).
Merck Index, 9th Ed., p. 172, (1339), (1976).
Kawaguchi Nobuo
Kikuchi Hiroyuki
Shiokawa Hideaki
Fujisawa Pharmaceutical Co. Ltd.
Schenkman Leonard
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