Phenytoin sodium630-93-3100 % similar Phenobarbital sodium57-30-751 % similar Sodium barbital144-02-534 % similar Fosphenytoin sodium92134-98-033 % similar Triphenylacetic acid595-91-532 % similar 1,2,2,2-Tetraphenylethanone466-37-532 % similar Sodium benzoate532-32-132 % similar Sodium phenylacetate114-70-530 % similar 2,2-Diphenylglycine3060-50-230 % similar 2,2-Diphenylpropionic acid5558-66-730 % similar 1-Phenylcyclopropanecarboxylic acid6120-95-230 % similar 2-Methyl-2-phenylpropanoic acid826-55-130 % similar