Leptosidin was the first aurone to be isolated in Coreopsis grandiflora by Geissman T.A. and Heaton C.D. in 1943. Leptosidin blocks the active residues of PRKACA.
The compounds of every Wikipedia article carrying a Chembox or a Drugbox, refreshed daily, with the values their infoboxes give. The pages need JavaScript; the API does not.