Phenobarbital sodium57-30-7100 % similar Sodium barbital144-02-557 % similar Phenytoin sodium630-93-351 % similar Amobarbital sodium64-43-747 % similar Pentobarbital sodium57-33-046 % similar 1,3-Diethyl 2-ethyl-2-phenylpropanedioate76-67-541 % similar Phenobarbital50-06-639 % similar Secobarbital sodium309-43-338 % similar Phenylethylmalonamide7206-76-038 % similar Primidone125-33-736 % similar 2-Ethyl-2-phenylbutyric acid5465-28-135 % similar 2-Amino-2-phenylbutyric acid5438-07-333 % similar Benzonal744-80-932 % similar tert-Amylbenzene2049-95-831 % similar 5-Cyclobutyl-5-phenylhydantoin125650-44-431 % similar Ethyl α-cyano-α-ethylbenzeneacetate718-71-830 % similar