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| CN-113666946-B | Preparation method of 2 beta-triazole methyl penicillanic acid diphenylmethyl ester, tazobactam intermediate and tazobactam | 2021-10-25 |
| CN-114023950-A | Surface-stable amorphous passivation layer coated lithium ion battery positive electrode material and preparation method thereof | 2021-09-30 |
| CN-113816925-A | A trematopsin 3 "-tert-butyl-4 '- (2-hydroxyethoxy) -4" -pyrrolidin-1-yl [1, 1'; process for preparing 3 ', 1' ] -terphenyl-4-carboxylic acid | 2021-09-18 |
| CN-113354675-A | Preparation method of 4-hydroxymethyl phenylboronic acid | 2021-07-01 |
| CN-112724167-A | Preparation method of clitorium | 2021-01-13 |
| CN-112607831-A | Active element uniformly-doped thin film electrode and preparation method thereof | 2020-12-17 |
