The molecule is an indole alkaloid that has been isolated from Penicillium citrinum. It has a role as a Penicillium metabolite. It is an indole alkaloid, a C-nitro compound, a spiro compound, a gamma-lactam, an organic heterohexacyclic compound, a tertiary amino compound, a cyclic ketone and a cyclic ether.
(5aR,7S,8aR,9aS)-7',7',8,8-tetramethyl-5a-nitrospiro[1,2,3,5,6,8a,9,9a-octahydrocyclopenta[f]indolizine-7,3'-1,8-dihydropyrano[2,3-g]indole]-2',9'-dione