11C-Labeling of acyclic retinoid peretinoin by rapid C-[11C]methylation to disclose novel brain permeability and central nervous system activities hidden in antitumor agent. - Suzuki K; Koyama H; Nakamura N; Kimura Y; Ogata A; Ikenuma H; Ishii H; Zhang MR; Kawamura K; Minamimoto T; Nagai Y; Katsuki H; et al. (Bioorganic & medicinal chemistry letters, 2023)