鸦胆子系我国常用中药,从中分得五个苦木素类化合物.其中四种依次鉴定为已知的鸦胆子苦醇(1),鸦胆子苦素D(2),去氢鸦胆子苦素B(3),鸦胆子苦素E(4).另一种为新化合物,经光谱及化学方法推定其结构为5,命名为鸦胆子酮酸.1对S_(180)瘤株有边缘活性.2和4有抗疟作用. The Brucea javanica is a commonly used Chinese medicine, and was divided into five types of bitter ginseng compounds. Among them, four of them were identified as known as Bruceaine (1), Bruceaine D (2), and Bryostatin. B(3), Bruceostin E(4). The other is a new compound, and its structure is assumed to be 5 by spectroscopic and chemical methods. It is named Brucelenone acid. It has edge activity on S_(180) tumor strain. .2 and 4 have antimalarial effects.