The invention relates to a method for producing tetrahydropyrane derivatives which comprise at least one additional ring containing oxygen.
本发明涉及一种制备包含至少一个另外的含氧环的四氢吡喃衍生物的方法。
Oxygen containing aromatic derivatives can be separated with this stationary phase.
考察了固定相对含氧芳烃衍生物的分离。
In this article the laser fluorescence spectra and the singlet oxygen relative quantum yield of hematoporphyrin and its derivatives are deter - mined.
本文测定了血卟啉及其衍生物的荧光光谱及单态氧的相对量子产额。
Ketones and quinones, whether or not with other oxygen function, and their halogenated, sulphonated, nitrated or nitrosated derivatives.
酮及醌，不论是否有其他含氧基，及其卤化、磺化、硝化或亚硝化衍生物。
Ketones and quinones, whether or not with other oxygen function, and their halogenated, sulphonated, nitrated or nitrosated derivatives.
酮及醌，不论是否有其他含氧基，及其卤化、磺化、硝化或亚硝化衍生物。
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