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Summary of hopanoids detected by high-temperature GC-MS and their identifying fragment ions.
| Hopanoid | Molecular ion |
Side-chain Loss |
A+B ring fragment ion |
D+E ring + side chain |
|---|---|---|---|---|
| acetate of 1 | 714 | 369 | 191 | 493 |
| acetate of 2 | 728 | 383 | 205 | 493 |
| acetate of 3 | 786 | 383 | 205 | 551 |
