Hangzhou Yirui Pharmaceutical Technology Co. Ltd. has described N-tetrazolyl aryl urea derivatives acting as bradykinin B1 receptor antagonists reported to be useful for the treatment of age-related macular degeneration, allergic conjunctivitis, pulmonary edema, neuralgia, infectious pneumonia, diabetic retinopathy, SARS-CoV-2 infection (COVID-19) and uveitis.