[1. Taylor, T. W. J., and Price, L. 5.: J. Chem. Soc. 1929, 2052.10.1039/JR9290002052]Search in Google Scholar
[2. Magee, P. N., and Bames, J. N.: Adv. Cancer Res. 10 (1967) 163. 10.1016/S0065-230X(08)60079-2]Search in Google Scholar
[3. Druckrey, H., Preussmann, R., lvankovic, S., and Schmahl, D.: Z. Krebsforsch. 69 (1967) 1:03. 10.1007/BF00524152]Search in Google Scholar
[4. Neurath, G.: Arzneimittelforsch. 19 (1969) '1093· 10.2307/1294865]Search in Google Scholar
[5. DrU<krey, H., and Preussmann, R.: Naturwiss. 49 ('1962) 498.10.1007/BF00637045]Search in Google Scholar
[6. Wynder, E. L., and Hoffmann, D.: Science 162 ('1968) 7'1. 10.1126/science.162.3856.862]Search in Google Scholar
[7. Devik, 0.: Acta Chem. Scand. 21 (1967) 2.302.10.3891/acta.chem.scand.21-2302]Search in Google Scholar
[8. Kadar, R., and Devik, 0.: Acta Chem. Scand., in press. ]Search in Google Scholar
[9. Heyns, K., and. R Oper, H.: Tetrahedron Lett. 1970, 737·10.1016/S0040-4039(01)97817-7]Search in Google Scholar
[10. Lydersen, D., and Nagy, K.: Z. Anal. Chem. 2.30 (1967) 277· 10a. Lydersen, D.: Unpublished results.]Search in Google Scholar
[11. Dowden, H. C.: Biochem. J. 32 (1938) 455·10.1042/bj0320455126405016746639]Search in Google Scholar
[12. Neurath, G., and Doerk, E.: Chem. Ber. 97 (1967) 192·]Search in Google Scholar