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Mass spectrum of DD4 metabolites in vitro.
| no. | tR (min) | m/z | formula | chemical name | metabolites |
|---|---|---|---|---|---|
| 1 | 16.077 | 429.2 | C21H18O9 | daidzein-4'-glucoside or daidzein-7-glucoside | M4 or/and M4a |
| 2 | 16.795 | 267.3 | C16H12O4 | 4'-methyldaidzein | M1 |
| 3 | 18.831 | 253.3 | C15H10O4 | daidzein | DAI |
| 4 | 19.689 | 443.2 | C22H20O10 | daidzein-4'-naphthalene sulphonate | M2 |
