| Product nomen | Cephalomannine |
| Synonyma | Taxol B |
| Puritas | 98% + by HPLC |
| Aspectus | Pulvis albus |
| Familiae chemica | Alkaloids |
| CANONICI SMILES： | CC1(C)C2[C@@H](OC(C)=O)C(=O)[C@@]3(C)[C@H]([C@H](OC(=O) C4C=CC=CC=4)[C@]1(O)C[C@H](OC(=O)[C@H](O)[C@@H](NC(=O)/C (/C)=C/C)C1C=CC=CC=I)C=2C)[C@@]1(CO[C@@H]1C[C@@H]3O)OC(C)=O |
| Botanical Source： | Taxus wallichiana, cortex Taxus yunnanensis et Cephalotaxus mannii |