5-Methyl-2,2-diphenyl-1,3-dithiino[5,4-b]pyrrol-6(5H)-on

Methyl-4,5-dihydro-4-methyl-6-nitro-5-oxo-1,2-dithiolo<4,3-b>pyrrol-3-carboxylat

7-Acetyl-5-methyl-2,2-diphenyl-1,3-dithiino[5,4-b]pyrrol-6(5H)-on

7-(1-Hydroxyiminoethyl)-5-methyl-2,2-diphenyl-1,3-dithiino[5,4-b]pyrrol-6(5H)-on

5,6,7,7a-Tetrahydro-7-hydroxy-5-methyl-6-oxo-2,2-diphenyl-1,3-dithiino[5,4-b]pyrrol-7-carbonsaeure