References
- Zon , G. 1983 . Progress in Medicinal Chemistry , Edited by: Ellis , G. P. and West , G. B. Vol. 19 , 206 Elsevier Biomedical Press .
- Shih , Y.-E. , Wang , J.-Sh. and Chen , Ch.-T. 1978 . Heterocycles , 9 : 1277
- Boyd , V. , Zon , G. and Himes , V. 1980 . J. Med. Chem. , 23 : 372
- Shih , Y.-E. and Wang , J.-Sh. 1984 . Heterocycles , 22 : 2799
- Shih , Y.-E. and Wang , J.-Sh. 1986 . Heterocycles , 24 : 1599
- Spassov , S. , Lyapova , M. and Ivanova , M. 1988 . Phosphorus and Sulfur , 37 : 199
- Kurtev , B. , Mollov , N. , Lyapova , M. and Orahovats , A. 1963 . Monatsh. Chem. , 94 : 904
- Kurtev , B. , Mollov , N. and Orahovats , A. 1964 . Monatsh. Chem. , 95 : 64
- Haimova , M. , Palamareva , M. , Nakova , O. , Spassov , S. , Popova , Z. and Kurtev , B. 1970 . Commun. Dep. Chem. Bulg. Acad. Sci. , 3 : 539
- C.A. , 74 111721h
- White , O. , Gibbs , D. and Vercade , J. 1979 . J. Am. Chem. Soc. , 101 : 1937