
| 4-(1,1-dioxythio linyl)benzaldehyde |
| 4-(4-formylphenyl)thiomorpholine 1,1-dioxide |
| 4-(1,1-dioxothiomorpholino)benzaldehyde |
| 4-(4- formylphenyl)thiomorpholine 1,1-dioxide |

| 4-(1,1-dioxythio linyl)benzaldehyde |
| 4-(4-formylphenyl)thiomorpholine 1,1-dioxide |
| 4-(1,1-dioxothiomorpholino)benzaldehyde |
| 4-(4- formylphenyl)thiomorpholine 1,1-dioxide |