143557-93-1 Glycine, 2-((4-amino-4-carboxy-2-hydroxybutyl)sulfinyl)-threo-beta,5-dihydroxy-N-methyl-L-tyrosyl-L-valyl-3-hydroxy-L-isoleucyl-, cyclic (15-3)-ether, (2S-(1(S*),2R*,4R*))- Ustiloxin A