草酸 、 (2S)-(-)-3-[(2R,4S)-4-(4-methoxybenzo[b]thiophen-2-yl)-2-methylpiperidinyl]-1-(1H-2-methylindol-4-yl)oxy-2-2-propanol 以
乙酸乙酯 为溶剂,
生成
(2S)-(-)-3-[(2R,4S)-4-(4-methoxybenzo[b]thiophen-2-yl)-2-methylpiperidinyl]-1-(1H-2-methylindol-4-yl)oxy-2-2-propanol oxalate