Heteronuclear Parahydrogen-Induced Hyperpolarization via Side Arm Hydrogenation. - Salnikov OG; Chukanov NV; Pravdivtsev AN; Burueva DB; Sviyazov SV; Them K; Hövener JB; Koptyug IV (Chemphyschem : a European journal of chemical physics and physical chemistry, 2025)