title: Kericembrenolides A, B, C, D, and E, five new cytotoxic cembrenolides from the Okinawan soft coral Clavularia koellikeri.
mesh_terms: D000818:Animals; D007783:Lactones / Q000032:analysis* / Q000494:pharmacology; D009682:Magnetic Resonance Spectroscopy; D008387:Marine Toxins / Q000032:analysis* / Q000494:pharmacology
chemical_list: D007783:Lactones; D008387:Marine Toxins; C049957:kericembrenolide E; C049956:kericembrenolide D; C049955:kericembrenolide C; C049954:kericembrenolide B; C049953:kericembrenolide A