吡啶并[3’,2’:4,5]噻吩并[3,2-d]嘧啶-4(3h)-酮

4-chloropyrido[2,3]thieno[2,4-d]pyrimidine

4-肼基吡啶并[3,2:4,5]噻吩并[3,2-d]嘧啶