Table 1. Identification of six compounds from S. arenicola and S. pacifica.
| Molecular Formula | Overall Score* | Mass** | Polarity | RT (min) | Difference (MFG, ppm) | Compound identification*** | Example species |
| C37H45NO12 | 99.35 | 695.2937 | Negative | 21.36 | 0.68 | Rifamycin S | S. arenicola |
| C22H37NO6 | 94.91 | 411.2628 | Positive | 8.12 | 3.13 | Saliniketal B | S. arenicola |
| C22H37NO5 | 93.72 | 395.2661 | Positive | 10.61 | 2.72 | Saliniketal A | S. arenicola |
| C39H49NO14 | 91.34 | 754.3092 | Negative | 12.20 | 0.52 | Rifamycin B | S. arenicola |
| C23H31N3O3 | 79.43 | 397.2365 | Positive | 9.91 | 2.12 | Cyclomarazine A | S. arenicola |
| C17H24O4 | 61.87 | 292.1675 | Positive | 7.87 | 3.45 | Salinipyrone A | S. pacifica |
The proposed formula obtained after the PCA and OPLS-DA analysis according to high-resolution LC-QTOF-MS measurements.
*Overall sc°re calculated from the empirical formula match with the database search. **Neutral mass calculated for each compound.
***Compound identification performed through the in-house accurate mass database match, MS/MS fragmentation and reference standards.