terameprocol;tetramethyl Nordihydroguaiaretic Acid Exclusive;4-[(2R,3S)-4-(3,4-Dimethoxyphenyl)-2,3-dimethylbutyl]-1,2-dimethoxybenzene;tetramethyl Nordihydroguaiaretic Acid;Benzene, 4-[(2R,3S)-4-(3,4-dimethoxyphenyl)-2,3-dimethylbutyl]-1,2-dimethoxy-
-20°C,密闭,干燥