| No | Compound | COb [cm−1] | CH3 [cm−1] | PO2as [cm−1] | РО2s [cm−1] | С-О-Сd [cm−1] | С-Сd [cm−1] | C=N [cm−1] | CHd [cm−1] |
| 1 | Duplm | 1712.8 1636.0 | 1337.2
| 1213.0
| 1112.6
| 1044.3
| 922.7
| 1504.6
| 1407
|
| 2 | Dupl | − | − | − | − | + | − | − | − |