Eberhart, S T 1H NMR spectral simplification with achiral and chiral lanthanide shift reagents--IV. Thiopental and barbiturate analogues. [electronic resource] - Journal of pharmaceutical and biomedical analysis 1987 - 233-45 p. digital Publication Type: Journal Article ISSN: 0731-7085 Standard No.: 10.1016/0731-7085(87)80027-4 doi