Abstract C 15 H 20 N 2 O 3 , monoclinic, P 2 1 (no. 4), a = 12.3059(2) Å, b = 8.84420(10) Å, c = 13.0144(2) Å, β = 92.9420(10)°, V = 1414.57(4) Å 3 , Z = 4, R gt ( F ) = 0.0309, wR ref ( F 2 ) = 0.0840, T = 100 K.
Chang et al. (Wed,) studied this question.