AROMATIC COMPOUNDS "9 



40. Billek, G. and Kindl, H. , Monatsh. 93 85 (1962). 



41. Pridham, J. B. , J. Chromatog. 2 605 (1959). 



42. Butler, W. L. and Siegelman, H. W. , Nature 183 1813 (1959). 



43. Sen, K. and Bagchl, P. , J. Org. Chem. 24 316 (1959). 



44. Gruji(5-Vasid, J. , Monatsh. 92 236 (1961). 



45. Fujita, M. and Furuya, T. , Chem. Pharm. Bull. 6 511 (1958). (Chem. Abstr. 53 10515). 



46. JaJrgensen, C. and Kofod, H. , Acta Chem. Scand. 8 991 (1954). 



47. Towers, G. H. N. and Gibbs, R. D. , Nature 172 2S (1953). 



48. Stone, J. E. and Blundell, M. J. , Anal. Chem. 23 771 (1951). 



49. Neish, A. C. , Ann. Rev. Plant Physiol. 11 55 (1960). 



50. Conn, E. E. and Swain, T. , Chem. and Ind. 1961 592. 



51. Koukol, J. and Conn. E. E. , J. Biol. Chem. 236 2692 (1961). 



52. Harborne, J. B. and Comer, J. J. , Biochem. J. 80 7P (1961). 



53. Buhler, D. R. and Mason, H. S. , Arch. Biochem. Biophys. 92 424 (1961). 



54. Wenkert, E. , Chem. and Ind. 1959 906. 



55. Freudenberg, K. , Nature 183 1152 (1959). 



56. Stafford, H. A. , Plant Physiol. 35 612 (1960). 



57. Brown, S. A. , Science 134 305 (1961). 



58. Freudenberg, K. and Grion, G., Chem. Ber. 92 1355(1959). 



59. Hamill, R. L. , Byerrum, R. U. and Ball, C. D. , J. Biol. Chem. 224 713 (1957). 



60. Kaneko, K. , Chem. Pharm. Bull. (Tokyo) 8 875 (1960). 



61. Nandy, M. and Ganguli, N. C. , Biochim. Biophys. Acta 48 608 (1961). 



62. Neish, A. C, Phytochem. I 1 (1962). 



