The molecule is a homodetic cyclic tetrapeptide constructed from L-phenylalanyl (x2), D-pipecolinyl and L-2-amino-8-oxo-9,10-epoxydecanoyl residues. It has a role as an EC 3.5.1.98 (histone deacetylase) inhibitor, an antineoplastic agent and a fungal metabolite. It is a homodetic cyclic peptide, an epoxide and a ketone.
(3S,6S,9S,12R)-3,6-dibenzyl-9-[6-[(2S)-oxiran-2-yl]-6-oxohexyl]-1,4,7,10-tetrazabicyclo[10.4.0]hexadecane-2,5,8,11-tetrone