a

b

c

d

e

SCX4

7.38

quartet

3.94

quartet

quartet

SCX4-Fluorescein 1

6.97

quartet

3.53

quartet

quartet

2

6.97

quartet

-

quartet

quartet

3

6.98

quartet

-

quartet

quartet

4

6.99

quartet

-

quartet

quartet

5

7.36

quartet

-

quartet

quartet