7H-dibenzo<1,3>thiazepine

6-(2,4-dichlorobenzyl)-6H-dibenzo<1,2>thiazine

6-trimethylsilyl-6,7-dihydrodibenzo<1,3>thiazepine

6H-dibenzo<1,2>thiazine

9-methyl-10-aza-9-thiaphenanthrene