[ON GAMMA-ALKYLIDENE-TETRONIC ACIDS. I].
D055598:Chemical Phenomena; D002621:Chemistry; D005663:Furans; D005720:Gamma Rays; D006571:Heterocyclic Compounds; D008011:Lichens; D012106:Research
D005663:Furans; D006571:Heterocyclic Compounds; C003422:tetronic acid
CHEMISTRY; EXPERIMENTAL LAB STUDY; HETEROCYCLIC COMPOUNDS; LICHENS