Compound 9

From the following article

Structural basis for macrolactonization by the pikromycin thioesterase

David L Akey, Jeffrey D Kittendorf, John W Giraldes, Robert A Fecik, David H Sherman & Janet L Smith

Nature Chemical Biology 2, 537-542 (2006) Published online: 10 September 2006

doi:10.1038/nchembio824