Amlodipine is a common blood pressure medication. Based on its name: first, what functional group does this molecule contain; and second, what receptor group does it likely interact with? Group of answer choices Acetyl, Receptor tyrosine kinase Imidazole, GPCR Aniline, Ligand-gated ion channel Tetrazole, GPCR Dihydropyridine, Ligand-gated ion channel