or
Na-Benzyloxycarbonyl-L-lysine Thiobenzyl Ester HCl (BLT HCl). White solid. Highly sensitive substrate for trypsin-like enzymes and granule-associated serine esterase. Purity: >98% by TLC. CAS 69861-89-8 M.W. 423.1. WARNING! Toxic. LD50 of <500 mg/kg.
