Cucumariosides F1 and F2, two new triterpene glycosides from the sea cucumber Eupentacta fraudatrix and their LC-ESI MS/MS identification in the starfish Patiria pectinifera, a predator of the sea cucumber
Roman S. Popov, Sergey A. Avilov, Alexandra S. Silchenko, Anatoly I. Kalinovsky, Pavel S. Dmitrenok, Boris B. Grebnev, Natalia V. Ivanchina, Vladimir I. Kalinin
Abstract