31982-00-0 Benzenesulfonamide, N-(3-chloro-1-methyl-2-oxopropyl)-4-methyl-, (S)- L-N-(3-Chloro-1-methylacetonyl)-p-toluenesulfonamide N-Tosyl-L-alanine chloromethyl ketone p-Toluenesulfonamide, N-(3-chloro-1-methylacetonyl)-, L-