SMILES: C[C@]1(CC[C@H]2[C@H]([C@H]1[N+]#[C-])C3=CNC4=CC=CC(=C43)C2(C)C)C=C
Description: The molecule is a tetracyclic hapalindole that is hapalindole U in which the carbon bearing the vinyl group has S configuration instead of R. It is produced by the Stigonematales genus of cyanobacteria. It has a role as a bacterial metabolite. It is an isocyanide, an organic heterotetracyclic compound and a hapalindole.