1	9UW	2-sulfanylideneimidazol-4-one	1.000
2	MZY	1,3-dihydroimidazole-2-thione	0.857
3	A1JDZ	1~{H}-imidazole-2,4-diol	0.750
4	E60	2-sulfanylidene-1,3-thiazolidin-4-one	0.750
5	HYN	Imidazolidine-2,4-dione	0.750
6	MMZ	1-methyl-1,3-dihydro-2h-imidazole-2-thione	0.750
7	IMD	Imidazole	0.714