摘要 |
The present invention relates to a pyrazole derivative represented by formula ( I ) or (II) : <IMG> ( I ) <IMG> (II) wherein R1 is hydrogen C2-C6 alkyl, benzyl or phenyl; each of R2 and R3 is hydrogen, C1-C6 alkyl or benzyl; each of R4 and R5 is hydrogen, C1-C6 alkyl, C3-C6 alkenyl, C3-C8 cycloalkyl, benzyl or phenyl; X is oxygen or sulfur; R5 is hydrogen, C2-C6 alkyl, C3-C6 alkenyl, C3-C8 cycloalkyl or benzyl when R1 is benzyl, R2 is ethyl, R3 is hydrogen, and R4 is hydrogen, and its pharmaceutical use.
|
申请人 |
JAPAN ENERGY CORPORATION |
发明人 |
CHIBA, NOBUYOSHI;TAKAKU, HARUO;ISOBE, YOSHIAKI;SAJIKI, HIRONAO;OHBA, YOICHI;MORITA, HIROYUKI;HIROTA, KOHSAKU |