PROTOTROPIC TAUTOMERISM OF HETEROAROMATIC COMPOUNDS. IV. FIVE-MEMBERED RINGS WITH TWO OR MORE HETERO ATOMS.
D055598:Chemical Phenomena; D002621:Chemistry; D006571:Heterocyclic Compounds; D007554:Isotopes; D019736:Prostheses and Implants
D006571:Heterocyclic Compounds; D007554:Isotopes
CHEMISTRY; HETEROCYCLIC COMPOUNDS; REVIEW