Chemical shifts; δ/ppm

C-1

C-2

C-3

C-5

C-6

C-7

C-8

C-9

C-10

C-11

N-sβ

174.32

36.57

55.57

162.08

117.95

167.94

119.98

133.14

120.02

133.81

[N-sβ-Zn]

179.08

37.89

59.07

172.65

115.37

172.65

119.95

135.46

123.60

137.51

Δδ

+4.76

+1.32

+3.50

+10.57

−2.58

+4.71

−0.03

+2.32

+3.58

+3.70