1	F07	Thieno[3,2-C][1,6]naphthyridine	1.000
2	4PN	4-piperidino-piperidine	0.786
3	ZO6	Thieno[3,2-C][2,6]naphthyridine	0.733
4	ZO8	Thieno[2,3-C][2,7]naphthyridine	0.733