1	MNX	1,8-di-hydroxy-4-nitro-xanthen-9-one	1.000
2	HNA	1,8-di-hydroxy-4-nitro-anthraquinone	0.864
3	EKU	1,3,5,8-tetrakis(oxidanyl)xanthen-9-one	0.773
4	CHZ	1,8-dihydroxyanthracene-9,10-dione	0.727
5	ZQT	9h-xanthene-1,3,6,8-tetrol	0.727
6	04G	7-hydroxy-3h-phenoxazin-3-one	0.714
7	JJY	3,4,6,7-tetrahydroacridine-1,8(2h,5h)-dione	0.714