| Product nomen | Procyanidin B4 |
| Synonyma | Procyanidol B4；(+)-Catechin-(4α-8)-(-)-epicatechin;(-)-Procyanidin B4 |
| Puritas | 98%+ by HPLC |
| Aspectus | Off-alba pulveris |
| Familiae chemica | |
| CANONICI SMILES： | C1C(C(OC2=C1C(=CC(=C2C3C(C(OC4=CC(=CC(=C34)O)O)C5=CC(=C(C=C5)O)O)O)O)O )C6=CC(=C(C=C6)O)O)O |
| Botanical Source： |