 amorphous powder, 00 mg; ${\lbrack\alpha\rbrack}_{D}^{00}$ + 00.0° (*c* 0.0, acetone); IR (film) *ν*~max~ 0000, 0000, 0000, 0000, 0000, 0000 cm^---0^; HR-ESI-MS *m/z* 000.0000 (\[M---H\]^---^, Calcd. for C~00~H~00~O~0~, 000.0000).  