Patent ID: 7678156

Claim:
A composition comprising: (i) at least one component selected from the group consisting of salt compounds of general formula I, enamine counterparts of salt compounds of general formula I, and mixtures thereof: wherein each Me represents a methyl group, R represents a substituent selected from the group consisting of an allyl group, a hydroxy-(C 2-6 )-alkyl group, a benzyl group, and substituted benzyl groups, and X − represents a physiologically compatible anion; and (ii) at least one aldehyde selected from the group consisting of 4-hydroxy-3-methoxybenzaldehyde, 3,5-dimethoxy-4-hydroxybenzaldehyde, 4-hydroxy-1-naphthaldehyde, 4-hydroxy-2-methoxybenzaldehyde, 3,4-dihydroxy-5-methoxybenzaldehyde, 3,4,5-trihydroxybenzaldehyde, 3,5-dibromo-4-hydroxybenzaldehyde, 4-hydroxy-3-nitrobenzaldehyde, 3-bromo-4-hydroxybenzaldehyde, 4-hydroxy-3-methylbenzaldehyde, 3,5-dimethyl-4-hydroxybenzatdehyde, 5-bromo-4-hydroxy-3-methoxybenzaldehyde, 4-diethyl-amino-2-hydroxybenzaldehyde, 4-dimethylamino-2-methoxybenzaldehyde, and mixtures thereof.