TABLE 1.
Ion mass (m/z)
|
Intensity (%) | Molecular structure
|
||
---|---|---|---|---|
Experimental | Theoretical | Ion | Structural interpretation | |
219.0739 | C8H13O6N | [M]+ | ||
188.0541 | 188.0556 | 21 | C7H10O5N | [M-OCH3]+ |
170.0451 | 170.0451 | 12 | C7H8O4N | [M-OCH3-H2O]+ |
141.0514 | 141.0549 | 53 | C7H9O3 | [M-OCH3-HNO2]+ |
128.0364 | 128.0346 | 12 | C5H6O3N | [M-OCH3-HCO2CH3]+ |
113.0621 | 113.0600 | 52 | C6H9O2 | [M-CO2CH3-HNO2]+ |
109.0315 | 109.0288 | 28 | C6H5O2 | [M-OCH3-HOCH3-HNO2]+ |
81.0367 | 81.0339 | 25 | C5H5O | [M-OCH3-HCO2CH3-HNO2]+ |
71.0515 | 71.0495 | 100 | C4H7O | [C4H7O]+ |
59.0157 | 59.0132 | 60 | C2H3O2 | [CO2CH3]+ |