1	CDX	(S)-4,4'-(1-methyl-1,2-ethanediyl)bis-2,6-piperazinedione	1.000
2	ITH	4-[(2s,3r)-3-[3,5-bis(oxidanylidene)piperazin-1-ium-1-yl]butan-2-yl]piperazin-4-ium-2,6-dione	0.950