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Method of producing 4-oxo-4h-pyrano-3,2-c-qunolin-2-carboxylic acids and salts thereof

Classifications

C07D491/04 Ortho-condensed systems
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CS188251B2

Czechoslovakia

Other languages
English
Inventor
Friedrich K Hess
Patrick B Stewart

Worldwide applications
1974 DE 1975 AT SU FI US RO CH YU HU CA NL GB FR BE LU SE IE PL DK DD ZA JP NO IL BG ES CS PH

Application CS756547A events