N-[(1RS,2RS)1-hydroxymethyl-2-methoxy-2-(4-nitro-phenyl)-ethyl]-acetamide

(1RS,2RS)-2-acetylamino-1-(4-nitro-phenyl)-propane-1,3-diol

(1RS,2RS)-3-acetoxy-2-acetylamino-1-methoxy-1-(4-nitro-phenyl)-propane

(2RS,3RS)-2-amino-3-methoxy-3-phenyl-propan-1-ol

(1RS,2RS)-2-benzoylamino-1-(4-nitro-phenyl)-propane-1,3-diol