1. 1) K. Morizawa: The extractive substances in Octopus octopodia.Acta Sch. Med. Univ. Imp. Kyoto, 9, 285-298 (1927).
2. 2) A. W. Sangster, S. E. Thomas, and N. L. Tingling: Fish attractants from marine invertebrates: acramine from Acta zebra and strombine from Strombus gigas. Tetrahedron, 31, 1135-1137 (1975).
3. 3) M. Sato, Y. Sato, and Y. Tsuchiya: Studies on the extractives of molluscs-1. α-iminodipropionic acid isolated from squid muscle extracts- (1). Nippon Suisan Gakkaishi, 43, 1077-1079 (1997 a).
4. 4) M. Sato, Y. Sato, and Y. Tsuchiya: Studies on the extractives of molluscs-2. α-iminodipropionic acid isolated from squid muscle extracts- (2). Nippon Suisan Gakkaishi, 43, 1441-1443 (1977 b).
5. 5) M. Sato, Y. Sato, and Y. Tsuchiya: D-a-Iminopropioacetic acid isolated from the adductor muscle of the scallop. Nippon Suisan Gak-kaishi, 44, 247-250 (1978).