Try searching for...
SCFBio, IIT Delhi
Formula: C26H39NO | Mol. Weight: 381.60 g/mol
IUPAC: (6R,7R,10S,11R,14R,15S,20S)-7-ethenyl-6,10,15,19-tetramethyl-17-oxa-19-azapentacyclo[12.8.0.03,11.06,10.015,20]docosa-1,3-diene
CC12CCC(C1(CC=C3C2CCC4C(=C3)CCC5C4(COCN5C)C)C)C=C