Spectral data of NOEV. Mass spectrum data of NOEV. (A)1H-NMR. δ 0.900 (t, 3 H, J8′7′ = 6.8 Hz, H-8′), 1.290-1.370 (m, 10 H, H-3′, 4′, 5′, 6′, and 7′), 1.490-1.540 (m, 2 H, H-2′), 2.555 (ddd, 1 H, Jgem = 11.2 Hz, J1′b,2′ = 7.4 Hz, H-1′b), 2.739 (ddd, 1 H, Jgem = 11.2 Hz, J1′a,2′ = 7.4 Hz, H-1′a), 3.101 (dd, 1 H, J1,2 = 8.1 Hz, J1,5a = 2.2 Hz, H-1), 3.435 (dd, 1 H, J3,2 = 10.0 Hz, J3,4 = 4.2 Hz, H-3), 3.696 (dd, 1 H, J2,1 = 8.1 Hz, J2,3 = 10.0 Hz, H-2), 4.121 (t, 2 H, J6a,6b = 1.7 Hz, H-6a and 6b), 4.154 (d, 1H, J4,3 = 4.2 Hz, H-4), 5.718 (d, 1H, J5a,1 = 2.2 Hz, H-5a). (B)13C-NMR, δ 14.466 (C-8′), 23.766, 28.480, 30.448, 30.666, 30.983, 33.050 (C-2′≈7′), 46.925 (C-1′), 61.848 (C-1), 63.958 (C-6), 68.192 (C-4), 70.862 (C-2), 73.929 (C-3), 125.326 (C-5a), 140.716 (C-5). (C) Electrospray ionization mass. [M + H]+, [M + Na]+: m/z 288.04, 310.04.