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Table 4 1H and 13C NMR data for compound 3 (400 MHz in methanol I-d4 δ ppm)

From: NAD+-dependent HDAC inhibitor stimulates Monascus pigment production but inhibit citrinin

No. Position δC δH (mult, J in Hz)
1 C-1 149.77 7.46 (s, 1H)
2 C-3 161.38  
3 C-4 110.07 6.27 (s, 1H)
4 C-4a 147.93  
5 C-5 106.07 5.33 (s, 1H)
6 C-6 194.20  
7 C-6a 84.08  
8 C-6b 116.34  
9 C-8 171.03  
10 C-9 58.67 3.28 (s, 1H)
11 C-9a 43.65 3.89 (s, 1H)
12 C-10 23.68 1.51 (s, 3H)
13 C-11 40.55 2.65 (d, J = 6.3, 2H)
14 C-12 69.39 5.16 (m, 1H)
15 C-13 20.05 1.26 (d, J = 6.4, 3H)
16 C-14 203.86  
17 C-15 43.93 2.58 (dt, J1 = 7.3, J2 = 18.3, 1H)
18 C-16 23.47 1.51 (m, 2H)
19 C-17 30.21 1.26 (o, 2H)
20 C-18 30.04 1.26 (o, 2H)
21 C-19 32.88 1.26 (o, 2H)
22 C-20 24.03 1.26 (o, 2H)
23 C-21 14.44 0.9 (t, J = 7.1, 3H)
24 C-22 171.97  
25 C-23 21.02 1.99 (s, 3H)