<unk> , also known as irciniastatin A, is a cytotoxin derived from sea sponges. It was discovered by two independent research groups, one led by Dr. Phil Crews and one led by Dr. Jean Schmidt, in 2004.<unk>  was found to be highly bioactive as it showed LC50s at nanomolar concentrations against various types of tumors.
Psymberin
Beta-Zearalenol
Mirificin
EpiCeram
Alpha-Zearalenol
Hermaphrodite 
Epoetin beta
Etiocholanolone