N Methyl 4 nitrophthalimide ( 4 NPI) was reduced by metal such as iron powder in dilute acidic solution and then hydrolyzed in solution of sodium hydroxide to provide di sodium 4 aminophthalate.是什么意思_N Methyl 4 nitrophthalimide ( 4 NPI) was reduced by metal such as iron powder in dilute acidic solution and then hydrolyzed in solution of sodium hydroxide to provide di sodium 4 aminophthalate.在线翻译_英语_读音_用法_例句