3-ISOTHIOUREIDOPROPIONIC ACID, 3-(amidinothio)propionic acid, S-(2-Carboxy-aethyl)-isoharnstoff, S-Guanyl-thiohydracrylsaeure, 3-carbamimidoylmercapto-propionic acid, 3-Carbamimidoylmercapto-propionsaeure, S-CARBOXYETHYLISOTHIURONIUM BETAINE, ATPN, 3-carbamimidoylsulfanylpropanoic acid, 3-Isothioureido-propionsaeure, 3-[(Aminoiminomethyl)-thio]-propionic acid, S-Carboxyethylisothiuroniumbetaine(ATPN), Propanoic acid,3-(aminoiminomethyl)thio, 3-[(aminoiminomethyl)thio]-propanoic acid