Kobayashi, Y.; Kumadaki, I.; Ohsawa, A.; Sekine, Y.; Ando, A. Heterocycles, 1977 , vol. 6, p. 1587 - 1592 Show Details Kobayashi, Y.; Kumadaki, I.; Ohsawa, A.; Sekine, Y.; Mochizuki, H. Heterocycles, 1974 , vol. 2, p. 236 - 237 Show Details Kobayashi; Kumadaki; Ohsawa; Sekine Tetrahedron Letters, 1975 , vol. No. 19, p. 1639 - 1642 Title/Abstract View citing articles Show Details Kobayashi, Y.; Kumadaki, I.; Ohsawa, A.; Sekine, Y.; Ando, A. C.A., Symp. Heterocycl. Papers, Sendai, Japan, 1977, pp. 89/94 1978 , vol. 89, p. 163321