Acetone → 2H-1-Benzopyran-6-ol, 3,4-dihydro-2-methoxy-2,5,7,8-tetramethyl-

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[C:1](=[O:2])([CH3:3])[O:4][c:5]1[c:6]([CH3:20])[c:7]2[c:12]([c:13]([CH3:16])[c:14]1[CH3:15])[O:11][C:10]([CH3:17])([O:18][CH3:19])[CH2:9][CH2:8]2.[CH3:26][C:27](=[O:28])[CH3:29].[OH2:30].[S:21](=[O:22])(=[O:23])([OH:24])[OH:25]>>[OH:4][c:5]1[c:6]([CH3:20])[c:7]2[c:12]([c:13]([CH3:16])[c:14]1[CH3:15])[O:11][C:10]([CH3:17])([O:18][CH3:19])[CH2:9][CH2:8]2