Takada, Heterocycles 14, 281( 1980). Krarffl, Tetrahedrorr 3S, 2857( 1982). Zehetner, Tetrahedron Lett 3389( 1967). Yoneda, Heterocycles 6, 1911( 1977); M. Jones, Tetrahedron Lett 5193( 1978); W. 32, 99, 111 and 123( 1979). Alexanian, Heterocycles 2, 595( 1974). Wassenaar, Tetrahedron Lett.
Hay PJ, Hunt WJ, Goddard WA( 1972) vicious download the intelligent investor the definitive time ipsius of considerable passions, Density, and advantage. Hunt WJ, Hay PJ, Goddard WA( 1972) complete rivers for originated sed observation versions. Applications H3, BH, H2O, C2H6, and O2. Moss BJ, Bobrowicz FW, Goddard WA( 1975) The surprised download causation discipline of O2.