The molecule is a fumiquinazoline obtained by oxidative spirocyclisation of fumiquinazoline A. It is a fumiquinazoline, an imidazoindole, an oxaspiro compound, an azaspiro compound and an organic heteroheptacyclic compound.
(1R,2'S,3'aS,12S,14S)-2',12-dimethylspiro[13-oxa-2,10,17-triazatetracyclo[10.3.2.02,11.04,9]heptadeca-4,6,8,10-tetraene-14,4'-3,3a-dihydro-2H-imidazo[1,2-a]indole]-1',3,16-trione