1	NI7	(4as,7as)-1,4-bis(3-hydroxybenzyl)hexahydro-1h-pyrrolo[3,4-B]pyrazine-2,3-dione	1.000
2	NI8	(4as,7as)-1,4-bis[3-(hydroxymethyl)benzyl]hexahydro-1h-pyrrolo[3,4-B]pyrazine-2,3-dione	0.806