本发明公开了一种治疗肠易激综合症或胃痉挛的，含治疗有效量奥替溴铵的药物组合物。
The present invention discloses a medical composition comprising effective amount of otilonium Br for treating irritable bowel syndrome or stomach convulsion.
试验中采用HPLC法考察奥替溴铵在醇、水、乙腈及血浆中的稳定性，并用LC-MS/MS、1H-NMR及13C-NMR法对其降解产物进行结构鉴定。
The stabilities of otilonium bromide in alcohols, water, acetonitrile and plasma were investigated by HPLC, and the degradation products were identified by LC-MS/MS, 1H-NMR and 13C-NMR.
试验中采用HPLC法考察奥替溴铵在醇、水、乙腈及血浆中的稳定性，并用LC-MS/MS、1H-NMR及13C-NMR法对其降解产物进行结构鉴定。
The stabilities of otilonium bromide in alcohols, water, acetonitrile and plasma were investigated by HPLC, and the degradation products were identified by LC-MS/MS, 1H-NMR and 13C-NMR.
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