“…The 1 H NMR and 13 C NMR of yellow oil obtained from V. jatamansi were as follows: 1 H NMR (600 MHz, CDCl 3 ): 6.71 (1H, s, H-3), 5.92 (1H, d, J = 10.3, H-1), 5.85 (1H, m, H-7), 5.43 (1H, d, J = 2.9, H-6), 4.51, 4.72 (2H, d, J = 13.2, H-11), 3.53 (1H, dd, J = 9.3, 2.8, H-9), 2.86, 3.11 (2H, d, J = 4.7, H-10), 2.08–2.24 (6H, m, H-17, 18, 23, 24), 2.13 (3H, s, H-14), 1.12 (3H, s, H-26), 1.02 (3H, s, H-25), 0.99 (3H, s, H-20), 0.89 (3H, s, H-19); 13 C NMR (150 MHz, CDCl 3 ): 173.9 (C-13), 171.7 (C-22),169.8 (C-16), 151.5 (C-3), 145.7 (C-5),119.5 (C-6), 111.6 (C-4), 92.7 (C-1), 82.2 (C-7), 65.3 (C-8), 62.0 (C-11), 49.3 (C-10), 42.5 (C-17), 41.3 (C-9, C-23), 26.2 (C-18), 25.7 (C-24), 23.1 (C-19, C-20), 22.5 (C-25, C-26), 20.2 (C-14). According to the 1 H NMR and 13 C NMR data compared with the reference,[ 29 ] this compound was identified as valepotriate [ Figure 1 ].…”