1. Chung DH, et al. Discovery of a Broad-Spectrum Antiviral Compound That Inhibits Pyrimidine Biosynthesis and Establishes a Type 1 Interferon-Independent Antiviral State. Antimicrob Agents Chemother. 2016 Jul 22;60(8):4552-62. 2. Tsai MY, et al. Identification of metabolites diagnostic for organic acidurias by simultaneous dual-column capillary gas chromatography. J Chromatogr. 1985 May 31;341(1):1-10.