| Product name： | Atractylenolide II |
| Synonym： | Asterolide |
| Purity： | 98% + by HPLC |
| Appearance： | Off-white powder |
| Chemical Family： | Sesquiterpenoids |
| Canonical SMILES： | CC1C(=O)O[C@H]2C[C@@]3(C)CCCC(=C)[C@@H]3CC=12 |
| Botanical Source： | Aster umbellatus and Aster japonica |
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