Formula: C22H27NO5 | Mol. Weight: 385.50 g/mol
IUPAC: (2R,3S,4R,6R)-3-ethyl-3'-methyl-11-[(2S,4S)-4-methyl-5-oxooxolan-2-yl]spiro[5-oxa-10-azatricyclo[8.3.0.02,6]trideca-1(13),11-diene-4,5'-furan]-2'-one
CCC1C2C(CCCN3C2=CC=C3C4CC(C(=O)O4)C)OC15C=C(C(=O)O5)C