Antioxidant Activity and Isolation of Luteoline from Centaurea behen L. Grown in Iran

Table 1

HMBC connectivities for the assignment luteoline.

Step	Connectivity
(1)	OH5-C4
(2)	OH3′-C4′
(3)	OH3′-C2′
(4)	C2-H6′
(5)	H2′-C4′
(6)	H2′-C2
(7)	C10-H3
(8)	H8-C10
(9)	C8-H6
(10)	H8-C6