• Phthalic acid ester two and two are sensitive to light, not long-term see light;

    甲酸二甲酯对光敏感不宜长期光;

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  • A salt or ester of oxalic acid.

    草酸形成一种

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  • In this step also the acid moiety was methylated to give the ester.

    一步也是是甲基给予

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  • A salt or an ester of boric acid.

    氟硼酸形成一种

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  • A salt or an ester of boric acid.

    氟硼酸形成一种

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