No.

δC compound 3

δC compound 1

δH compound 3

δH compound 1

HMBC (H→C)

COSY

1

168.4 C

169.7 C

-

-

-

-

2

135.0 C

133.2 C

-

-

-

-

2-Me

12.6 CH3

12.8 CH3

2.02 s

1.93 s

1, 2, 3

-

3

127.0 CH

128.7 CH

6.95 d (11.4)

6.95 d

1, 2, 2-Me, 4, 5

4

4

126.6 CH

126.3 CH

6.57 t (11.4)

6.58 t

2, 3, 5

3, 5

5

135.8 CH

138.7 CH

5.86 m

5.81 brs

3, 4, 6, 7

4, 6

6

81.3 CH

82.3 CH

4.31 d (9.9)

4.36 d (7.6)

4, 6-OMe

5, 7

6-OMe

57.1 CH3

57.1 CH3

3.27 s

3.24 s

6

-

7

81.8 CH

81.1 CH

5.18 s

4.88 brs

5, 7-OCONH2, 8, 8-Me, 9

6

7-OCONH2

156.1 C

156.6 C

-

-

-

-

8

132.8 C

129.1 C

-

-

-

-

8-Me

12.8 CH3

13.0 CH3

1.80 s

1.62 s

7, 8, 9

-

9

133.8 CH

132.4 CH

5.89*

5.50 d (8.5)

7, 8-Me, 10-Me, 11

10

10

32.4 CH

32.6 CH

2.74 m

2.56

8, 9, 10-Me

9, 10-Me, 11

10-Me

12.4 CH3

13.4 CH3

1.00 d (6.9)

0.75 d (6.8)

9, 10, 11

10

11

72.7 CH

72.4 CH

3.57 m

3.09 brs

9, 10, 10-Me, 12

10, 12

11-OH

-

-

-

-

-

-

12

81.6 CH

80.7 CH

3.45 m

3.09 brs

10, 11, 12-OMe, 14

11, 13

12-OMe

56.7 OCH3

56.5 CH3

3.36 s

3.23 s

12

-

13

35.2 CH2

31.3 CH2

1.77 m

1.45 brs

11, 12, 14

12

14

28.6 CH

27.1 CH

1.77 m

1.93 s

12, 13

14-Me, 15b

14-Me

23.0 CH3

23.9 CH3

0.94 d (6.3)

0.97 brs

13, 14, 15

14

15a

34.5 CH2

32.2 CH2

2.68 m

2.43 dd (12.5, 9.9)

13, 14, 14-Me, 16, 17, 21

15b

15b

2.44 m

2.18 dd (12.5, 4.8)

14, 16, 17, 21

14, 15a

16

108.5 C

128.7 C

-

-

-

-

17

145.0 C

156.9 C

-

-

-

-

17-OMe

-

61.6 CH3

-

3.96 s

-

-

18

183.9 C

184.3 C

-

-

-

-

19

108.7 CH

111.3 CH

7.24 s

7.04 s

17, 21

-

20

141.4 C

140.1 C

-

-

-

-

21

180.6 C

183.6 C

-

-

-

-

22a

45.6 CH2

-

3.92 m

-

23, 24

22b, 22-NH, 23

22b

3.76 m

-

23, 24

22a, 22-NH, 23

23

25.8 CH2

-

3.11 t (6.6)

-

22, 24, 25

22a, 22b

24

111.0 C

-

-

-

-

-

25

123.4 CH

-

7.09*

-

23, 24, 26, 27

-