英文同义词: | 4,4-DIMETHYL-6-ETHYNYLTHIOCHROMAN;6-Ethynyl-3,4-dihydro-4,4-dimethyl-2H-1-benzothiopyran;6-ethynyl-4,4-diMethyl-3,4-dihydro-2H-1-benzothiopyran;2H-1-Benzothiopyran,6-ethynyl-3,4-dihydro-4,4-diMethyl-;Tazarotene IMpurity (6-Ethynyl-4,4-DiMethyl ThiochroMan);6-Ethynyl-4,4-dimethyl-thiochroman;6-ethynyl-4,4-dimethyl-2,3-dihydrothiochromene;Tazarotene Impurity 4 |