Inventor
NAGUMO KATSUYUKI
JP4 patents
Patents
4 patentsUS4704459ANov 3, 1987
Process for producing 1-substituted aryl-1,4-dihydro-4-oxonaphthyridine derivatives, and processes for producing the intermediates
TOYAMA CHEMICAL CO LTD67 citations94
US4851535AJul 25, 1989
Nicotinic acid derivatives
TOYAMA CHEMICAL CO LTD24 citations91
US4713387ADec 15, 1987
Vasodilating and platelet aggregation inhibiting 1,4 dihydropyridines with an imidazolyl or pyridyl containing ester
TOYAMA CHEMICAL CO LTD16 citations72
US4731370AMar 15, 1988
Pyridyl ester containing 1,4-dihydropyridine derivatives and salts thereof and pharmaceutical composition containing the same
TOYAMA CHEMICAL CO LTD4 citations61