4-氯吡咯并嘧啶

1,2,3,4-四氢-2-萘酚

1,2,3,4-tetrahydro-naphthalene-2-thiol

1,7-dihydropyrrolo[2,3-d]pyrimidine-4-thione

4-羟基吡咯并[2,3-d]嘧啶