| Product name： | Helenine |
| Synonym： | Alantolactone; Alantic anhydride; Alantcamphor |
| Purity： | 98% + by HPLC |
| Appearance： | White powder |
| Chemical Family： | Sesquiterpene |
| Canonical SMILES： | CC1CCCC2(C1=CC3C(C2)OC(=O)C3=C)C |
| Botanical Source： | Inula helenium (elecampane), Inula racemosa, Inula grandis, Inula magnifica, Saussurea lappa, Codonocephalum grande (preferred genus name Inula), Abutilon indicum and other plants |