1	MKT	1,3,6,7-tetrahydroxy-2,8-bis(3-methylbut-2-en-1-yl)-9h-xanthen-9-one	1.000
2	MKS	1,3,6-trihydroxy-7-methoxy-2,8-bis(3-methylbut-2-en-1-yl)-9h-xanthen-9-one	0.903