2,2,5,7-tetramethylchroman-6-ol 2H-1-benzopyran-6-ol, 3,4-dihydro-2,2,5,7-tetramethyl- InChI=1/C13H18O2/c1-8-7-11-10(9(2)12(8)14)5-6-13(3,4)15-11/h7,14H,5-6H2,1-4H