The NMR data for parkeol (synthesized by Os11g08569) is as follows: 1H-NMR(CDCl3, 600M)δ: 0.65, 0.75, 0.82, 0.88, 0.99, 1.04, 1.60, 1.68(3H,8 × CH3), 3.20(1H, dd, *J *=* *4.2, 12.0 Hz, 3*α*-H), 5.09(1H, m, H-24), 5.22 (1H, m, H-11); 13C-NMR(CDCl3,125M)δ: 14.64(C-18), 15.65(C-30), 17.67(C-26), 18.57(C-21), 18.91(C-28), 21.38(C-6), 22.26(C-19), 25.04(C-23), 25.73(C-27), 27.83(C-2), 28.09(C-7), 28.24(C-16), 28.28(C-29), 38.87(C-15), 35.14(C-12), 35.67(C-20), 36.12(C-1), 37.28(C-22), 39.11(C-4), 39.39(C-10), 41.82(C-8), 44.31(C-13), 47.16(C-14), 50.78(C-17), 52.51(C-5), 78.92(C-3), 114.98(C-11), 125.12(C-24), 130.92(C-25), 148.53(C-9). And the NMR data for isoarborinol (synthesized by Os11g35710) is as follows: 1H-NMR(CDCl3,600M)δ: 0.72, 0.73, 0.75, 0.77, 0.84, 0.88, 0.98, 1.03(3H,8 × CH3), 3.20(1H, dd, *J *=* *4.2, 12.0Hz, 3α-H), 5.23(1H, d, *J *=* *5.4 Hz, H-11); 13C-NMR(CDCl3,125M)δ: 14.00(C-28), 15.28(C-27), 15.62(C-23), 17.02(C-26), 20.17(C-19), 21.43(C-25), 22.13(C-29), 22.13(C-24), 22.70(C-7), 23.00(C-30), 26.68(C-6), 27.82(C-2), 28.22(C-20), 29.65(C-15), 30.77(C-22), 35.93(C-1), 36.01(C-12), 36.06(C-16), 36.78(C-13), 38.19(C-14), 39.07(C-10), 39.63(C-4), 40.97(C-8), 42.85(C-17), 52.08(C-18), 52.34(C-5), 59.65(C-21), 78.95(C-3), 114.32(C-11), 148.87(C-9).