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| CAS号 : | 1404070-52-5 |
精确质量 : | 318.08900 |
| 分子式 : | C20H14O4 |
logP : | 4.18320 |
| 分子量 : | 318.32300 |
PSA : | 60.42000 |
4,4'-dimethyl-2H,2'H-[3,3'-bichromene]-2,2'-dione | |
1404070-52-5 | |
C20H14O4 | |
318.32300 | |
60.42000 | |
4.18320 | |
318.08900 |
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2933990090
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2933990090. 其他仅含氮杂原子的杂环化合物. 增值税率:17.0%. 退税率:13.0%. 监管条件:无. 最惠国关税:6.5%. 普通关税:20.0% | |
2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
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