| Product name： | Aristolochic Acid B |
| Synonym： | Aristolochic Acid II |
| Purity： | 98% + by HPLC |
| Appearance： | |
| Chemical Family： | Phenanthrenes |
| Canonical SMILES： | [O-][N+](=O)C1=CC2C=CC=CC=2C2C3OCOC=3C=C(C(O)=O)C1=2 |
| Botanical Source： | Alkaloid from Aristolochia argentina, Aristolochia clematitis, Aristolochia esperanzae, Aristolochia longa, Aristolochia manshuriensis, Aristolochia rotunda, Aristolochia pallida, Aristolochia sipho (Aristolochia durior) and from the Chinese drugs Ching- |