| 745 | 2-amino-4-[[1-(carboxymethylcarbamoyl)-2-sulfanyl-ethyl]carbamoyl]butanoic acid | 
	
		| 118142 | disodium 2-amino-4-[[1-(carboxylatomethylcarbamoyl)-2-sulfanyl-ethyl]carbamoyl]butanoate | 
	
		| 124886 | (2S)-2-amino-4-[[(1R)-1-(carboxymethylcarbamoyl)-2-sulfanyl-ethyl]carbamoyl]butanoic acid | 
	
		| 244110 | 2-amino-4-[[1-(carboxymethylcarbamoyl)-2-sulfanyl-ethyl]carbamoyl]butanoic acid; butane; titanium(+4) cation
 | 
	
		| 444462 | [(1S)-1-carboxy-3-[[(1R)-1-(carboxymethylcarbamoyl)-2-sulfanyl-ethyl]carbamoyl]propyl]azanium | 
	
		| 445616 | (2R)-2-amino-4-[[(1R)-1-(carboxymethylcarbamoyl)-2-sulfanyl-ethyl]carbamoyl]butanoic acid |