A novel cinnoline derivative having an antagonistic activity against serotonin 5-HT3 receptor, its pharmaceutically acceptable salts, its N-oxide derivatives or solvates thereof, and pharmaceutical formulations containing the same for the prevention and/or treatment of various disorders such as nausea and/or emesis caused by anticancer drugs or the X-ray treatment, central nervous disorders such as anxiety and/or neuropathy, gastroenteric diseases such as indigestion, chronic gastritis, digestive ulcer and irritable bowel syndromes, hemicrania cluster headache, trigeminal neuralgia or arrhythmia has the following formula :
一种对5-羟
色胺5-HT3受体具有拮抗活性的新型噌啉衍
生物、其药学上可接受的盐、其N-氧化物衍
生物或其溶解物,以及含有该衍
生物的药物制剂,用于预防和/或治疗各种疾病,如抗癌药物或X射线治疗引起的恶心和/或呕吐、中枢神经疾病,如焦虑和/或神经病变;肠胃疾病,如消化不良、慢性胃炎、消化性溃疡和肠易激综合征;偏头痛、丛集性头痛、三叉神经痛或心律失常: