1,1'-(2,3-Dimethyl-1,4-butanediyl)bis(3,4-dimethoxybenzene) 4,4'-(2,3-Dimethyl-1,4-butanediyl)bis-1,2-dimethoxybenzene 5701-82-6 Benzene, 1,1'-(2,3-dimethyl-1,4-butanediyl)bis(3,4-dimethoxy- FW 358.2 NSC 136955 Tetra-O-methyl-ndga Tetra-O-methylnordihydroguaiaretic acid Tetramethoxynordihydroguaiaretic acid Tmndga meso-1,4-Bis(3,4-dimethoxyphenyl)dimethylbutane