69861-90-1 BLT Esterase Cbz-lysine thiobenzyl ester Hexanethioic acid, 6-amino-2-(((phenylmethoxy)carbonyl)amino)-, S-(phenylmethyl) ester, (S)- N-Carbobenzyloxylysine thiobenzyl ester Thiobenzyl benzyloxycarbonyl-L-lysinate alpha-N-Carbobenzyloxy-L-lysine thiobenzyl ester