Abstract C 16 H 21 NO 3 , monoclinic, P 2 1 / c (no. 14), a = 7.453(5) Å, b = 15.236(8) Å, c = 14.105(9) Å, β = 102.094(19)°, V = 1566.0(16) Å 3 , Z = 4, R gt ( F ) = 0.0683 wR ref ( F 2 ) = 0.2081, T = 296(2) K.
Xu et al. (Wed,) studied this question.