1-hydroxy-2,2,6,6-tetramethylpiperidine

2-(3,4-dimethoxyphenyl)-1,2-diphenylethanone

2,2-bis(3,4-dimethoxyphenyl)-1-phenylethanone

1,2-diphenyl-2-(2,2,6,6-tetramethylpiperidin-1-yl)oxyethanone

1-(3,4-二甲氧基苯基)-2,2-二甲基丙烷-1-酮