Two new alkaloids, 3-O-acetylnarcissidine (4) and 3-O-acetylnarcissidine N-oxide (5), were isolated from Leucojum autumnale L. (Amaryllidaceae) together with the known alkaloids narcissidine (3) and lycorine (6).
                                    从秋海棠(Amaryllidaceae)中分离出了两种新
生物碱,即 3-O-acetylnarcissidine (4) 和 3-O-acetylnarcissidine N-oxide (5),以及已知的
生物碱 narcissidine (3) 和 lycorine (6)。