1	RYU	(2e,3s)-3-hydroxy-5'-[(4-hydroxypiperidin-1-yl)sulfonyl]-3-methyl-1,3-dihydro-2,3'-biindol-2'(1'H)-one	1.000
2	INR	2',3-dioxo-1,1',2',3-tetrahydro-2,3'-biindole-5'-sulfonic acid	0.719