Compound 4
From the following article
Spliceostatin A targets SF3b and inhibits both splicing and nuclear retention of pre-mRNA
Daisuke Kaida, Hajime Motoyoshi, Etsu Tashiro, Takayuki Nojima, Masatoshi Hagiwara, Ken Ishigami, Hidenori Watanabe, Takeshi Kitahara, Tatsuhiko Yoshida, Hidenori Nakajima, Tokio Tani, Sueharu Horinouchi & Minoru Yoshida
Nature Chemical Biology 3, 576-583 (2007) Published online: 22 July 2007
doi:10.1038/nchembio.2007.18

Compound 4
Benzyl N-[(1S)-3-methyl-1-[[(1S)-3-methyl-1-[[(2S)-4-methyl-1-oxo-pentan-2-yl]carbamoyl]butyl]carbamoyl]butyl]carbamate
View in 3D : Compound (7 KB) | Download ChemDraw file of structure : Compound (4 KB)
