[(2R)-2-[[5-chloro-2-(hydroxymethyl)phenyl]-(4-chlorophenyl)sulfonylamino]propyl] N-propylcarbamate [(2R)-2-[[5-chloro-2-(hydroxymethyl)phenyl]-(4-chlorophenyl)sulfonyl-amino]propyl] N-propylcarbamate N-propylcarbamic acid [(2R)-2-[[5-chloro-2-(hydroxymethyl)phenyl]-(4-chlorophenyl)sulfonylamino]propyl] ester N-propylcarbamic acid [(2R)-2-[(5-chloro-2-methylol-phenyl)-(4-chlorophenyl)sulfonyl-amino]propyl] ester