The molecule is a trichothecene antibiotic which incorporates a triester macrocyclic structure and an exocyclic methylene epoxide group. It is a trichothecene, a macrolide antibiotic, an epoxide, a macrotriolide and an organic heterotetracyclic compound.
(1R,3R,8R,12S,13R,18E,20Z,24R,25S,26S)-12-hydroxy-5,13,25-trimethylspiro[2,10,16,23-tetraoxatetracyclo[22.2.1.03,8.08,25]heptacosa-4,18,20-triene-26,2'-oxirane]-11,17,22-trione