The present invention provides a novel analgesic useful for various diseases such as headache and migraine, and to pain and ache accompanied by trauma, physical pressure, etc. Further, the present invention is an analgesic comprising the benzene compound (I) represented by the following formula:
wherein, R1 is a group represented by the following formula:
or a group represented by the following formula:
R2, R3, R4 and R5 are substituents; and the ring A is benzene ring or thiophene ring, or a pharmacologically acceptable salt thereof as an active ingredient.
本发明提供了一种新型镇痛剂,可用于各种疾病,例如头痛和偏头痛,以及由创伤、物理压力等引起的疼痛和疼痛。此外,本发明是一种镇痛剂,包括以下式子所表示的苯环化合物(I):其中,R1是由以下式子表示的基团:或由以下式子表示的基团:R2、R3、R4和R5是取代基;环A是苯环或
噻吩环,或其药理学上可接受的盐作为活性成分。