Try searching for...
SCFBio, IIT Delhi
Formula: C22H33NO8 | Mol. Weight: 439.50 g/mol
IUPAC: (1R,4S,8R,9S,19R)-4,9-dihydroxy-8-methyl-4,9-di(propan-2-yl)-2,7,11-trioxa-16-azatricyclo[11.5.1.016,19]nonadec-13-ene-3,6,10-trione
CC1C(C(=O)OCC2=CCN3C2C(CC3)OC(=O)C(CC(=O)O1)(C(C)C)O)(C(C)C)O