2-甲硫基苯并噻唑

对甲苯磺酸甲酯

1,1'-dimethyl-1,2,1',2'-tetrahydro-2,2'-methanylylidene-bis-quinoline

3-甲基苯并噻唑翁碘化物

1,1'-dimethyl-1,4,1',2'-tetrahydro-4,2'-methanylylidene-bis-quinoline