118292-06-1

Tazarotene Impurity 5 Tazarotene Impurity 4 4,4-DIMETHYL-6-ETHYNYLTHIOCHROMAN 6-Ethynyl-4,4-dimethyl-thiochroman 6-ethynyl-4,4-dimethyl-2,3-dihydrothiochromene 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)