3-methyl-3,5-dihydro-2H-1,5-benzothiazepin-4-one

propan-2-yl 3,4-dimethyl-6-(3-nitrophenyl)-2-sulfanylidene-1,6-dihydropyrimidine-5-carboxylate

2-methyl-4H-1,4-benzothiazin-3-one

6-(1H-pyridin-2-ylidenemethylimino)cyclohexa-2,4-diene-1-thione

3-oxo-4H-1,4-benzothiazine-2-carboxylic acid