[2-(dimethylamino)-2-methylpropyl] 2-hydroxy-2,2-di(phenyl)acetate

[2-(dimethylamino)-2-methyl-propyl] 2-hydroxy-2,2-di(phenyl)ethanoate

2-hydroxy-2,2-di(phenyl)acetic acid [2-(dimethylamino)-2-methyl-propyl] ester