3,4,5-Trimethoxybenzoic acid 1,2-ethanediylbis(methylimino)-3,1-propanediyl ester mixt. with N,N-diethyl-4-hydroxy-3-methoxybenzamide & 3,7-dihydro-7-(2-hydroxyethyl)-1,3-dimethyl-1H-purine-2,6-dione 8067-16-1 Instenon