| # Activity | Chemical | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|---|
| 0 | 11-HYDROXYCEPHALOTAXINE | Plant | -- | -- | * | |
| 0 | ACETYLCEPHALOTAXINE | Plant | -- | -- | * | |
| 3 | CEPHALOMANNINE | Plant | -- | -- | * | |
| 1 | CEPHALOTAXINE | Plant | -- | -- | * | |
| 0 | CEPHALOTAXINONE | Plant | -- | -- | * | |
| 2 | DEOXYHARRINGTONINE | Plant | -- | -- | * | |
| 0 | DESMETHYLCEPHALOTAXINONE | Plant | -- | -- | * | |
| 0 | DRUPACINEHARRINGTONINE | Plant | -- | -- | * | |
| 0 | HOMOERYTHRINA-ALKALOIDS | Plant | -- | -- | * | |
| 12 | HOMOHARRINGTONINE | Plant | -- | -- | * | |
| 2 | ISOHARRINGTONINE | Plant | -- | -- | * |