CAS Number: 33841-18-8
Chemical Name: 5-(2-Hydroxypropyl)-5-(1-methylbutyl) barbituric acid
Molecular Formula: C12H20N2O4
Molecular Weight: 256.3

CAS Number: 151262-55-4
Chemical Name: 5-Allyl-5-(1-3-dimethylbutyl) barbituric acid
Molecular Formula: C13H20N2O3
Molecular Weight: 252.31