1	KEZ	3-acetylene dicyclotyrosine	1.000
2	KE2	(3~{S},6~{S})-3-[(4-hydroxyphenyl)methyl]-6-[(3-methyl-4-oxidanyl-phenyl)methyl]piperazine-2,5-dione	0.962
3	KEB	(3~{S},6~{S})-3-[(3,5-dimethyl-4-oxidanyl-phenyl)methyl]-6-[(4-hydroxyphenyl)methyl]piperazine-2,5-dione	0.926
4	YTT	(3s,6s)-3,6-bis(4-hydroxybenzyl)piperazine-2,5-dione	0.923
5	1G7	(3s,6s)-3-(3,4-dihydroxybenzyl)-6-(4-hydroxybenzyl)piperazine-2,5-dione	0.889
6	KE5	(3~{S},6~{S})-3-[(4-hydroxyphenyl)methyl]-6-[(2-methyl-4-oxidanyl-phenyl)methyl]piperazine-2,5-dione	0.889
7	KEH	(3~{S},6~{S})-3-[(4-hydroxyphenyl)methyl]-6-[(3-iodanyl-4-oxidanyl-phenyl)methyl]piperazine-2,5-dione	0.889
8	KEW	(3~{S},6~{S})-3-[(3-chloranyl-4-oxidanyl-phenyl)methyl]-6-[(4-hydroxyphenyl)methyl]piperazine-2,5-dione	0.889
9	Q47	3-bromo dicyclotyrosine	0.889
10	R2H	3-fluoro dicyclotyrosine	0.889
11	1ED	(3s,6s)-3-benzyl-6-(4-hydroxybenzyl)piperazine-2,5-dione	0.885
12	1G4	(3s,6s)-3,6-bis(4-hydroxybenzyl)piperazin-2-one	0.885
13	OUC	(3~{S},6~{S})-3-[(2,6-dimethyl-4-oxidanyl-phenyl)methyl]-6-[(4-hydroxyphenyl)methyl]piperazine-2,5-dione	0.857
14	KEQ	(3~{S},6~{S})-3-[(4-hydroxyphenyl)methyl]-6-[(4-methoxyphenyl)methyl]piperazine-2,5-dione	0.821
15	QFD	(3s,6s)-3-{[4-(hydroxymethoxy)phenyl]methyl}-6-[(4-hydroxyphenyl)methyl]piperazine-2,5-dione	0.793
16	1GB	(3s,6s)-3-(4-hydroxybenzyl)-6-(1h-indol-3-ylmethyl)piperazine-2,5-dione	0.733