4.4.1.11 2-mercaptoethanol - 63 4.4.1.11 3-Methyl-2-benzothiazolinone hydrazone - 10508 4.4.1.11 3-methyl-2-benzothiazonlinone hydrazone 1 mM, 23.6% residual activity 139253 4.4.1.11 5,5'-dithiobis(2-nitrobenzoic acid) - 221 4.4.1.11 5-5'-dithiobis-(2-nitrobenzoic acid) - 78275 4.4.1.11 aminoethyloxyvinylglycine - 5437 4.4.1.11 carbonyl reagents - 9395 4.4.1.11 Cu2+ - 19 4.4.1.11 cycloserine - 2837 4.4.1.11 cysteine - 153