Sodium hydrogen 7-[(2-amino-2-carboxylatoethyl)thio]-2-[[(2,2-dimethylcyclopropyl)carbonyl]amino]hept-2-enoate, Sodium 7-(2-amino-2-carboxy-ethyl)sulfanyl-2-(2,2-dimethylcyclopropyl)carbonylamino-hept-2-enoate, W-13 hydrochloride, Sodium Cilastatin, 2-heptenoicacid,7-((2-amino-2-carboxyethyl)thio)-2-(((2,2-dimethylcyclopropyl, Cilastatine, Cilastatin sodium, monosodiumsalt,(r-(r*,s*(z)))-)carbonyl)amino), (2Z)-7-[[(2R)-2-Amino-2-carboxyethyl]thio]-2-[[[(1S)-2,2-dimethylcyclopropyl]carbonyl]amino]-2-heptenoicacidsodiumsalt, (Z)-7-[(R)-2-Amino-2-carboxyethylthio]-2-[(S)-2,2-dimethylcyclopropylcarbonylamino]-2-heptenoic acid 1-sodium salt