(untitled) - Nishida, A; Nakagawa, M; Uchida, H; Ono, K; Kimura, Y; Yamabe, M; Watanabe, T; Tsuji, R; Akiba, M; Terada, Y; Nagaki, D; Ban, S; Miyashita, N; Kano, T; Theeraladanon, C; Hatakeyama, K; Arisawa, M (Heterocycles, 2003)