Silvester Tursiloadi
Research Center for Chemistry, Indonesian Institute of Sciences, Kawasan Puspiptek, Serpong, Tangerang I53I4, Banten, Indonesia
Indonesia

Hiroshi Hirashima
Department of Applied Chemistry, Faculty of Science and Technology Keio University, 3-14-1, Hiyoshi, Kohoku-Ku, Yokohama 223-8522, Japan
Japan