1: With sodium hydroxide; sodium hypochlorite in water T=5°C; 1 h; 2: With hydrogenchloride in water T=15 - 25°C; 3 h; 3: With hydrogenchloride in water pH=7.0;
参考文献
BOEHRINGER INGELHEIM INTERNATIONAL GMBH
Patent: WO2005/19158 A1, 2005 ;
Location in patent: Page/Page column 18 ;