Cilastatin acid, Cilastatine [French], Cilastatinum, Cilastatine, Cilastatin, Cilastatin Monosodium Salt, Cilastatina [Spanish], (Z)-7-[(2R)-2-amino-2-carboxyethyl]sulfanyl-2-[[(1S)-2,2-dimethylcyclopropanecarbonyl]amino]hept-2-enoic acid, Cilastatinum [Latin], [R-[R*,S*-(Z)]]-7-[(2-amino-2-carboxyethyl)thio]-2-[[(2,2-dimethylcyclopropyl)carbonyl]amino]-2-heptenoic acid, Cilastatina, (Z)-7-[(2R)-(2-amino-2-carboxyethyl)thio]-2-((1S)-2,2-dimethylcyclopropanecarboxamido)-2-heptenoic acid