1 Z0B Thieno[2,3-C][2,6]naphthyridine 1.000 2 G18 4h-thieno[2,3-C]isoquinolin-5-one 0.800 3 0UI 8-oxidanyl-4~{H}-thieno[2,3-C]isoquinolin-5-one 0.750 4 ZO8 Thieno[2,3-C][2,7]naphthyridine 0.733 5 1OI 8-methoxy-4~{H}-thieno[2,3-C]isoquinolin-5-one 0.706