Figure 5.
Chemical structures of tested pentaoxygenated xanthones.
R1 | R2 | R3 | R4 | R5 | R6 | R7 | R8 | |
---|---|---|---|---|---|---|---|---|
136 | OH | OMe | OMe | OMe | OMe | H | H | H |
137 | OH | OMe | OMe | OMe | H | H | OMe | H |
138 | OH | H | OMe | OMe | H | H | OMe | OMe |
139 | OH | H | OMe | H | OMe | OMe | OMe | H |
140 | OH | H | OMe | H | OMe | H | OMe | OMe |
141 | OH | H | OMe | OMe | H | H | OH | OMe |
142 | OH | H | OH | OMe | OMe | H | H | OH |
143 | OH | H | OH | H | H | OH | OMe | OMe |