A new phenol compound, (9S)-9-hydroxy-9-[(2-hydroxyphenyl)methoxy]-nonanoic acid methyl ester (1) was isolated from the stem bark of Alnus mandshurica (Callier) Hand.-Mazz., along with eight known compounds (2–9). The structure of compound 1 was determined by spectral analyses, including HR-ESI-MS, 1D and 2D NMR (COSY, HMQC and HMBC) experiments. All the isolated compounds were reported for first time from A. mandshurica. Furthermore, compounds 3–9 were found in the family Betulaceae for the first time.

中文翻译：

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来自Alnus mandshurica (Callier) Hand.-Mazz 的化学成分。及其化学分类学意义

从Alnus mandshurica (Callier) Hand.-Mazz.的茎皮中分离出一种新的酚类化合物，(9 S )-9-羟基-9-[(2-羟基苯基)甲氧基]-壬酸甲酯 ( 1 ) 。以及八种已知化合物 ( 2 – 9 )。化合物1的结构通过光谱分析确定，包括 HR-ESI-MS、1D 和 2D NMR（COSY、HMQC 和 HMBC）实验。报告了第一次从所有分离的化合物甲。曼陀罗。此外，化合物3 - 9分别在家庭桦木科首次发现。