Abstract C 29 H 43 NO 3 , monoclinic, P 2 1 (no. 4), a = 6.5917(7) Å, b = 11.3954(13) Å, c = 16.771(2) Å, β = 93.694(5)°, V = 1257.2(2) Å 3 , Z = 2′, R gt ( F ) = 0.0492, wR ref ( F 2 ) = 0.1431, T = 273.15(2) K.
Li et al. (Mon,) studied this question.