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