102516-65-4 ALANINE, N-(CHLOROACETYL)-3-PHENYL-N-(p-TOLYLSULFONYL)- N-(Chloroacetyl)-3-phenyl-N-(p-tolylsulfonyl)alanine N-Tosyl-L-phenylalanine chloromethyl ketone Tosyl-L-phenylalanylchloromethyl ketone