二硫化二苯并噻唑

(2S,3R)-4-nitrobenzyl 3-methyl-7-oxo-3-(thiocyanatomethyl)-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate

5-thiocyanopentanal

环戊酮

硫化亚铜