Finnegan, Henderson, Farabow, Garrett & Dunner, L.L.P.
1,4-dihydropyridine compound and pharmaceutical composition containing the same
 A 1,4-dihydropyridine compound having the formula (I): ##STR1## wherein, R.sup.1 indicates --COO--A--(3-pyridyl), A indicates a C.sub.3 -C.sub.6 straight chain alkylene group in which one piperazine may be interposed; R.sup.2 indicates a C.sub.2 -C.sub.10 alkyl group, alkenyl group or alkynyl group; a lower alkyl group or lower alkenyl group having a substituent; or a cycloalkyl group which may have a substituent; R.sup.3 indicates the same group as R.sup.1 or --COO--R.sup.4 ; and R.sup.4 indicates a lower alkyl group which may have a substituent or its pharmacologically acceptable salt and an anti-allergenic drug, antiphlogistic, drug for overcoming resistance to anti-cancer drugs, or drug for reinforcing the effect of anti-cancer drugs containing the same as effective ingredients. 
Nikken Chemicals Co., Ltd.
C C C
C07D C07D C07D
inventional inventional inventional
Masakazu Teruhisa Tetsuro Akira Taketsugu Mie Shigeyuki
Fujita Miura Sano Kiue Seki Kamakura Tasaka