(1'S,2'S,6'S,7'S,10'R,13'S)-N-{3-[(2-Hydroxyethyl)amino]-3-oxopropyl}-9'-oxo-11'-(4-{[(1R,4R,10S)-4,12,12-trimethyl-5-oxatricyclo[8.2.0.04,6]dodec-9-ylidene]methyl}benzyl)-1,3-dihydro-13'H-spiro[ind
ene-2,4'-[3,5,8,12]tetraoxa[11]azatetracyclo[5.5.2.02,6.010,13]tetradecane]-13'-carboxamide