Method Starting from the natural product emodin, a series of emodin derivatives were prepared by using various methods and their antitumor activities were tested against KLE cell line by MTT assay.

• 方法以天然产物大黄素为原料，通过不同的方法合成一系列大黄素的衍生物，并且通过MTT法测试它们对KLE细胞株的抗肿瘤活性。