379-34-0 4-Hydroxyphenobarbital 5-ETHYL-5-(P-HYDROXYPHENYL)BARBITURIC ACID 5-Ethyl-5-(4'-hydroxyphenyl)barbituric acid monohydrate 5-Ethyl-5-(4-hydroxyphenyl)-2,4,6(1H,3H,5H)-pyrimidinetrione EINECS 206-831-7 NSC 159266 p-Hydroxyphenobarbital