https://pubchem.ncbi.nlm.nih.gov/compound/Cystine
(-)-Cystine | C6H12N2O4S2 | CID 67678 - PubChem
(-)-Cystine | C6H12N2O4S2 | CID 67678 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological...
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