2-Acetamido-3-(3'-hydroxypropylthio)propanoic acid 23127-40-4 3-Hydroxypropylmercapturic acid L-Cysteine, N-acetyl-S-(3-hydroxypropyl)- N-Acetyl-S-(3-hydroxypropyl)-L-cysteine N-Acetyl-S-(3-hydroxypropyl)cysteine S-(3-Hydroxypropyl)cysteine N-acetate