方法：以氨基乙醛缩甲醇制备的N （2 ，2二甲氧基乙基）胍硫酸盐经盐酸催化环合制得2 氨基咪唑硫酸盐。
METHODS:N (2,2 dimethoxylethyl)guanidine sulfate from aminoacetaldehyde dimethyl acetal was treated with concentrated HCl to get 2 aminoimidazole sulfate.
方法：以氨基乙醛缩甲醇制备的N （2 ，2二甲氧基乙基）胍硫酸盐经盐酸催化环合制得2 氨基咪唑硫酸盐。
METHODS:N (2,2 dimethoxylethyl)guanidine sulfate from aminoacetaldehyde dimethyl acetal was treated with concentrated HCl to get 2 aminoimidazole sulfate.
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