4-(2,3,5,7-Tetrahydro-5,7-dioxo-6H-1,4-dithiino(2,3-c)pyrrol-6-yl)benzaldehyde 54627-05-3 BENZALDEHYDE, 4-(2,3,5,7-TETRAHYDRO-5,7-DIOXO-6H-1,4-DITHIINO(2,3-c)PYRROL-6-YL) Benzaldehyde, 4-(2,3,5,7-tetrahydro-5,7-dioxo-6H-1,4-dithiino(2,3-c)pyrrol-6-yl)- RA(sub 15)