| Product nomen | Protopine |
| Synonyma | Fumarine;Corydalis C;Corydinine;Biflorine;Macleyine |
| Puritas | 98% + by HPLC |
| Aspectus | Off-alba pulveris |
| Familiae chemica | Alkaloids |
| CANONICI SMILES： | CN1CCC2=CC3=C(C=C2C(=O)CC4=C(C1)C5=C(C=C4)OCO5)OCO3 |
| Botanical Source： | Corydalis yanhusuo WTWang |
