@article{021230720, title = "Isolation, structure, and synthesis of dolastatin D, a cytotoxic cyclic depsipeptide from the sea hare Dolabella auricularia", author = "Sone, H. and Nemoto, T. and Ishiwata, H. and Ojika, M. and Yamada, K.", year = "1993", journal = "Tetrahedron Letters", volume = "34", number = "52", pages = "8449-8452", issn = "0040-4039", url = "https://eurekamag.com/research/021/230/021230720.php" }