生物活性: 4,15-Isoatriplicolide methylacrylate is a germacrane-type sesquiterpene lactone. 4,15-Isoatriplicolide methylacrylate also is a cytotoxic agent. 4,15-Isoatriplicolide methylacrylate has cytotoxic activity for MCF-7 human breast cancer cell line.