Try searching for...
SCFBio, IIT Delhi
Formula: C18H25NO5 | Mol. Weight: 335.40 g/mol
IUPAC: (1S,3'R,4S,7R,10S)-3'-methyl-4-[(2S,4S)-4-methyl-5-oxooxolan-2-yl]spiro[11-oxa-5-azatricyclo[5.3.1.01,5]undecane-10,5'-oxolane]-2'-one
CC1CC(OC1=O)C2CCC34N2CC(O3)CCC45CC(C(=O)O5)C