Oxygen heterocycles. Maackiain, a new naturally occuring chromanocoumaran.
D003374:Coumarins / Q000737:chemistry*; D010100:Oxygen; D010944:Plants / Q000737:chemistry*; D036343:Pterocarpans; D000094162:Phytoalexins
D003374:Coumarins; D010100:Oxygen; D036343:Pterocarpans; C001449:inermin; D000094162:Phytoalexins
COUMARINS/chemistry; PLANTS/chemistry