https://blog.gongquiz.com/2021/04/19/%ec%b9%b4%eb%b0%94%eb%a9%94%ec%9d%b4%ed%8a%b8carbamate%ea%b3%84-%eb%86%8d%ec%95%bd%ec%97%90-%ed%95%b4%eb%8b%b9%ed%95%98%ec%a7%80-%ec%95%8a%eb%8a%94-%ea%b2%83%ec%9d%80-%ec%a1%b0%ea%b2%bd%ea%b8%b0/