Titelbild: Diazirines as Potential Molecular Imaging Tags: Probing the Requirements for Efficient and Long‐Lived SABRE‐Induced Hyperpolarization (Angew. Chem. 40/2017). (1st August 2017) - Shen, Kun; Logan, Angus W. J.; Colell, Johannes F. P.; Bae, Junu; Ortiz, Gerardo X.; Theis, Thomas; Warren, Warren S.; Malcolmson, Steven J.; Wang, Qiu