1	YTT	(3s,6s)-3,6-bis(4-hydroxybenzyl)piperazine-2,5-dione	1.000
2	1G7	(3s,6s)-3-(3,4-dihydroxybenzyl)-6-(4-hydroxybenzyl)piperazine-2,5-dione	0.960
3	KE2	(3~{S},6~{S})-3-[(4-hydroxyphenyl)methyl]-6-[(3-methyl-4-oxidanyl-phenyl)methyl]piperazine-2,5-dione	0.960
4	KE5	(3~{S},6~{S})-3-[(4-hydroxyphenyl)methyl]-6-[(2-methyl-4-oxidanyl-phenyl)methyl]piperazine-2,5-dione	0.960
5	KEH	(3~{S},6~{S})-3-[(4-hydroxyphenyl)methyl]-6-[(3-iodanyl-4-oxidanyl-phenyl)methyl]piperazine-2,5-dione	0.960
6	KEW	(3~{S},6~{S})-3-[(3-chloranyl-4-oxidanyl-phenyl)methyl]-6-[(4-hydroxyphenyl)methyl]piperazine-2,5-dione	0.960
7	Q47	3-bromo dicyclotyrosine	0.960
8	R2H	3-fluoro dicyclotyrosine	0.960
9	1ED	(3s,6s)-3-benzyl-6-(4-hydroxybenzyl)piperazine-2,5-dione	0.958
10	1G4	(3s,6s)-3,6-bis(4-hydroxybenzyl)piperazin-2-one	0.958
11	KEB	(3~{S},6~{S})-3-[(3,5-dimethyl-4-oxidanyl-phenyl)methyl]-6-[(4-hydroxyphenyl)methyl]piperazine-2,5-dione	0.923
12	KEZ	3-acetylene dicyclotyrosine	0.923
13	OUC	(3~{S},6~{S})-3-[(2,6-dimethyl-4-oxidanyl-phenyl)methyl]-6-[(4-hydroxyphenyl)methyl]piperazine-2,5-dione	0.923
14	KEQ	(3~{S},6~{S})-3-[(4-hydroxyphenyl)methyl]-6-[(4-methoxyphenyl)methyl]piperazine-2,5-dione	0.885
15	QFD	(3s,6s)-3-{[4-(hydroxymethoxy)phenyl]methyl}-6-[(4-hydroxyphenyl)methyl]piperazine-2,5-dione	0.852
16	1GB	(3s,6s)-3-(4-hydroxybenzyl)-6-(1h-indol-3-ylmethyl)piperazine-2,5-dione	0.786
17	1G9	(3s,6s)-3-(4-hydroxybenzyl)-6-methylpiperazine-2,5-dione	0.708