Chemical Name: (2S,4R)-4-cyclohexyl-1-[[(R)-[(1S)-2-methyl-1-(1-oxopropoxy)propoxy](4-phenylbutyl)phosphoryl]acetyl]pyrrolidine-2-carboxylic acid
Synonym: Cetirizine USP Related Compound G ; Cetirizine Ethanol Impurity (USP)
Smile: O=C([C@@H]1N(C(CP(CCCCC2=CC=CC=C2)(O[C@H](OC(CC)=O)C(C)C)=O)=O)C[C@@H](C3CCCCC3)C1)O