... > chemical entity > molecular entity > main group molecular entity > p-block molecular entity > pnictogen molecular entity > nitrogen molecular entity > amide > primary amide > ureas > ureidoperacrylic acid

... > chemical entity > molecular entity > polyatomic entity > heteroatomic molecular entity > hydroxides > oxoacid > peroxy acid > ureidoperacrylic acid

... > chemical entity > molecular entity > main group molecular entity > s-block molecular entity > hydrogen molecular entity > hydroxides > oxoacid > peroxy acid > ureidoperacrylic acid

... > chemical entity > molecular entity > main group molecular entity > p-block molecular entity > chalcogen molecular entity > oxygen molecular entity > hydroxides > oxoacid > peroxy acid > ureidoperacrylic acid