Stage #1: With iron; ammonium chloride in ethanol T=75°C; 1 h; Stage #2: With hydrogenchloride in ethanol; water Show Experimental Procedure
参考文献
Shanghai Institute of Materia Medica, Chinese Academy of Sciences; Topharman Shangai Co., Ltd. Patent: US2011/263860 A1, 2011 ; Location in patent: Page/Page column 10 ;