Position

1

δ_H

δ_C

HMBC

1

-

-

-

2

-

174.5

-

3

-

135.5

C-5

4

7.40 (m)

145.8

C-2, 3, 5, 6

5

4.85 (m)

70.8

C-2

6

2.67 (m)

31.3

C-3

7eq, 7ax

2.07 (m), 1.39 (m)

35.5

8

4.42 (dd, J = 9.2, 2.2 Hz)

102.6

OCH₃

9

-

-

10eq, 10ax

4.07 (m), 3.61 (m)

64.3

C-8

11eq, 11ax

1.84 (m), 1.52 (m)

29.6

OCH₃

3.48 (s)

55.1

C-8