A new and distinct variety of hop, Humulus lupulus L. AT4 receptor antagonists, which are potent inhibitors of angiogenesis, and can be used as anti-angiogenic agents for the treatment of cancer, diabetic retinopathy, rheumatoid arthritis, psoriasis, atherosclerotic plaque formation, and any disease process that is characterized by excessive, undesired or inappropriate angiogenesis or proliferation of endothelial cells. A fuel reforming apparatus incorporating the combustion heating device as vaporizing section, and a fuel cell system including the fuel reforming apparatus are also provided. The clamp tightens the terminal units using the wedge-shaped recesses and enables a vertical connection and a lateral connection.