1	495	4-chlorophthalazin-1(2h)-one	1.000
2	MT0	1-chloro-4-methylphthalazine	0.846
3	4FT	Phthalazine	0.833
4	81X	4-(aminomethyl)phthalazin-1(2h)-one	0.786
5	APZ	4-aminophthalhydrazide	0.786
6	4YS	Isoquinolin-1(2h)-one	0.769
7	JOZ	3,4-dihydroisoquinolin-1(2h)-one	0.769
8	DPZ	3,5-diaminophthalhydrazide	0.733
9	F04	2-ethyl-4-methyl-phthalazin-1-one	0.733
10	0UW	5-phenyl-2,4-dihydro-3h-1,2,4-triazol-3-one	0.714
11	32X	5-aminoisoquinolin-1(4h)-one	0.714
12	3Z8	7-chloro-3,4-dihydroisoquinolin-1(2h)-one	0.714
13	DHQ	3,4-dihydro-5-methyl-isoquinolinone	0.714
14	HLZ	1-hydrazinophthalazine	0.714
15	IQD	5-hydroxyisoquinolin-1(4h)-one	0.714
16	KUF	7-methyl-2h-isoquinolin-1-one	0.714
17	U8N	4-oxidanyl-2~{H}-isoquinolin-1-one	0.714