15N Hyperpolarization of Metronidazole Antibiotic in Aqueous Media Using Phase-Separated Signal Amplification by Reversible Exchange with Parahydrogen. - Sviyazov SV; Burueva DB; Chukanov NV; Razumov IA; Chekmenev EY; Salnikov OG; Koptyug IV (The journal of physical chemistry letters, 2024)