... astronavigation and national defense and micro-electronics areas, Also the final goods usually exported to the US,Japan, EU and the ... /Tech/Dyes/Food Grade),Gallic acid(3,4,5-Trihydroxybenzoic acid),Pyrogallol(1,2,3-Benzenetriol),Ethyl gallate, Progyl Gallate, ... n-Octyl gallate,3,4,5-Trimethoxybenzaldehyde,Methyl 3,4,5-trimethoxybenzoate ...