SMILES: C[C@H]1C(=O)N2[C@@H]3N1C(=O)[C@@H](C[C@@]3(C4=CC=CC=C42)O)N5C=NC6=CC=CC=C6C5=O
Description: The molecule is an organic heterotetracyclic compound that consists of 4,5,5a,9c-tetrahydro-3H-2a,9b-diazacyclopenta[jk]fluorene-1,3(2H)-dione substituted by a hydroxy group at position 5, a methyl group at position 2 and a 4-oxoquinazolin-3(4H)-yl group at position 4 (the 2S,4R,5aS,9cS stereoisomer). It is a cytotoxic alkaloid isolated from the endophytic fungus Chaetomium. It has a role as a metabolite. It is an organic heterotetracyclic compound, a member of quinazolines, a lactam and an indole alkaloid.