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| Brand: | South arrow |
|---|---|
| model: | yc |
| Content: | 90（％） |
| Effective substance content: | 99（％） |
| Product specification: | 25kg package |
| Executive standard: | Enterprise packaging |
| Main purpose: | Important intermediates in the synthesis of vitamin D3 |
| CAS： | 434-16-2 |
| name: | tea polyphenols |
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