Acetic acid, dichloro-, compd. with N-(1-methylethyl)-2-propanamine (1:1), mixt. with 2-(3,4-bis(2-hydroxyethoxy)phenyl)-3-((6-O-(6-deoxy-alpha-L-mannopyranosyl)-beta-D-glucopyranosyl)oxy)-5-hydroxy-7-(2-hydroxyethoxy)-4H-1-benzopyran-4-one, 3-((6-O-(6-deoxy-alpha-L-mannopyranosyl)-beta-D-glucopyranosyl)oxy)-2-(3,4-dihydroxyphenyl)-5,7-dihydroxy-4H-1-benzopyran-4-one and 2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-4H-1-benzopyran-4-one