Polyphenolic compounds from Geranium purpureum Vill. growing in Turkey
Two new flavonol derivatives, Geranioside A (kaempferol 3-[3-(alpha-rhamnopyranosyl)-4-oxy-5-hydroxy-6-methyl-3,4-dihyropyran-2H -2-pyranoside]) (1) and Geranioside B (quercetin 3-[3-(alpha-rhamnopyranosyl)-4-oxy-5-hydroxy-6-methyl-3,4-dihyropyran-2H -2-pyranoside]) (2), along with 5 known flavonols (quercetin (3), kaempferol (4), quercetin 4'-O-beta-glucopyranoside (5), quercetin 3-O-beta-glucopy
