An organic chemical that belongs to the aliphatic group of hydrocarbons.

属于烃类脂族基的一种有机化学剂。

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Polylactic acid (PLA) is a linear aliphatic polyester produced by poly-condensation of naturally produced lactic acid or by the catalytic ring opening of the lactide group.

聚乳酸(PLA)是一种线性脂肪族聚酯的聚乳酸中自然产生的或由丙交酯开环缩合催化剂组产生。

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Step II: Ganciclovir with a protected 2-amino group and one aliphatic hydroxy group protected is subjected to de-protection of the amino group.

第二步：2-氨基和一个脂链羟基被保护的更昔洛韦要脱除氨基保护。

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