Vitamin B12
| Chinese name | 维生素B12 |
| English name | Vitamin B12 |
| Chemical formula | C63H88CoN14O14P |
| Molecular weight | 1355.37 |
| Melting point | 210 -220 ℃ |
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| Chinese name | 维生素B12 |
| English name | Vitamin B12 |
| Chemical formula | C63H88CoN14O14P |
| Molecular weight | 1355.37 |
| Melting point | 210 -220 ℃ |
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