The molecule is a spiruchostatin with molecular formula C21H33N3O6S2 originally isolated from a Pseudomonas culture broth. It has a role as a bacterial metabolite, an EC 3.5.1.98 (histone deacetylase) inhibitor and an antineoplastic agent. It is a spiruchostatin, an organic heterobicyclic compound, an organic disulfide and a macrocyclic lactone.
(1S,5S,6R,9S,15E,20R)-6-[(2S)-butan-2-yl]-5-hydroxy-20-methyl-2-oxa-11,12-dithia-7,19,22-triazabicyclo[7.7.6]docos-15-ene-3,8,18,21-tetrone