@article {4435, title = {Motuporamines A-C, cytotoxic alkaloids isolated from the marine sponge Xestospongia exigua (Kirkpatrick)}, journal = {Journal of Organic Chemistry}, volume = {63}, number = {14}, year = {1998}, note = {ISI Document Delivery No.: 102NLTimes Cited: 35Cited Reference Count: 10}, month = {Jul}, pages = {4838-4841}, type = {Article}, isbn = {0022-3263}, url = {://000074930500049}, author = {Williams, D. E. and Lassota, P. and Andersen, R. J.} }