Can Gunther challenge the requirement under the French Decree that all alcoholic food be sold only in licensed premises on the ground of its incompatibility with Article 34 TFEU?

EU LAW
Answer the following questions

Can Gunther challenge the 20% duty on alcoholic fruit drinks on the ground of either Article 30 or 110 TFEU?

Can Gunther challenge the requirement under the French Decree that all alcoholic food be sold only in licensed premises on the ground of its incompatibility with Article 34 TFEU?

Is the French legal requirement that all alcoholic food be labelled with obvious warnings about the health risks associated with consuming alcohol compatible with Article 34 TFEU and, if not, can it be justified either under Article 36 TFEU or under Cassis de Dijon?