Dimethyl Disulfide   Glutaric Anhydride   sodium azide   Iodobenzene   2-mercapto-5-methyl-1,3,4-thiadiazole   1,3,5-trimethyl benzene   4,4'-oxydianiline   Sodium Hydride 60% in mineral oil  
                 
Dimethyl Disulfide   Glutaric Anhydride   sodium azide   Iodobenzene   2-mercapto-5-methyl-1,3,4-thiadiazole   1,3,5-trimethyl benzene   4,4'-oxydianiline   Sodium Hydride 60% in mineral oil