Conc. (µg/mL)

VS

BRA

BRE

BRC

BRP

400

90

40

30

90

80

200

90

40

30

80

70

100

80

40

30

70

40

50

70

30

20

60

40

25

70

30

10

40

40

12.5

60

20

10

30

30

6.25

50

10

10

30

20

3.125

40

10

0

20

10

1.5625

20

10

0

10

10