Compound

E_pc(v)

E_pa(v)

E_1/2

E_pc/E_pa

DE_p

C1

+0.16

−0.98

+0.20

+0.18

0.90

0.07

C2

+0.21

−0.58

+0.30

−0.43

+0.26

0.92

0.09

C3

−0.09

−0.29

−0.15

−0.48

+0.70

0.60

0.06

C4

−0.10

−0.30

−0.17

−0.47

+0.69

0.58

0.07