Sample

Concentration

Lettuce

Agrostis

Culture broth EtOAc extract

1 mg/mL

3

3

Fraction 7

1 mg/mL

2

4

Fraction 8

1 mg/mL

2

4

Pyrichalasin H

0 μM

0

0

10 μM

0

0

33 μM

2

3

100 μM

2

3

330 μM

2

4

1000 μM

2

4

Pyrichalasin Hacetate

1 mg/mL

0

0