[1] Kanagawa Univ, Fac Sci, Hiratsuka, Kanagawa 2591293, Japan
[2] Hokuriku Univ, Fac Pharmaceut Sci, Kanazawa, Ishikawa 92011, Japan
[3] Kitasato Inst, Minato Ku, Tokyo 1088642, Japan
[4] Arizona State Univ, Canc Res Inst, Tempe, AZ 85287 USA
[5] Arizona State Univ, Dept Chem, Tempe, AZ 85287 USA