Figure 6.
Chemical structures of tested hexaoxygenated xanthones.
R1 | R2 | R3 | R4 | R5 | R6 | R7 | R8 | |
---|---|---|---|---|---|---|---|---|
144 | OH | H | OMe | H | OMe | OMe | OMe | OMe |
145 | OH | OMe | OMe | OMe | H | OMe | H | OH |
146 | OH | H | OMe | H | OMe | OMe | OMe | OH |
147 | OMe | OMe | OMe | OMe | H | OMe | OMe | H |