3',4'-二乙基-1-(1,2,3,4-四氢萘-2-基)螺[哌啶-4,5'-恶唑烷]

8-methyl-3,4-dihydropyrano[3,4-c]pyridin-1-one

1,3-bis(hydroxymethyl)benzimidazol-2-one

3-(羟基(甲基)氨基)-1-苯丙烷-1-酮

1,3-bis[(4-methylphenyl)sulfonylmethyl]urea