C16H21NO5, triclinic, P (1) over bar (No. 2), a = 11.1540(7) Angstrom, b = 12.936(1) Angstrom, c = 13.844(1) Angstrom, alpha = 70.540(9)degrees, beta = 65.15(1)degrees, gamma = 73.400(8)degrees, V = 1684.0 Angstrom (3), Z = 4, R-gt(F) = 0.074, wR(ref)(F-2) = 0.229, T = 293 K.
Tinant, B., Ntirampebura, D., & Ghosez, L. (2001). Crystal structure of (2R*,5S*,6S*)-2-isopropoxy-4-oxo-4-phenyltetrahydro-2H-1,3-oxazine-6-ethylcarboxylate, C16H21NO5. Zeitschrift fuer Kristallographie - New Crystal Structures, 216(3), 389-391. https://doi.org/10.1524/ncrs.2001.216.14.389 (Original work published 2001)