Try searching for...
SCFBio, IIT Delhi
Formula: C22H31NO5 | Mol. Weight: 389.50 g/mol
IUPAC: (1S,2R,3S,4R,6R,11S)-3-ethyl-3'-methyl-11-[(2S,4S)-4-methyl-5-oxooxolan-2-yl]spiro[5-oxa-10-azatricyclo[8.3.0.02,6]tridecane-4,5'-furan]-2'-one
CCC1C2C3CCC(N3CCCC2OC14C=C(C(=O)O4)C)C5CC(C(=O)O5)C