PTERIDINE CHEMISTRY .1.

[1] KARRER, 1948, HELV CHIM ACTA, V31, P777

[2] KARRER, 1947, HELV CHIM ACTA, V30, P1034

[3] KUMLER, 1938, J AM CHEM SOC, V60, P863

[4] MOWAT, 1948, J AM CHEM SOC, V70, P14

[5] TRAUBE, 1900, BER, V33, P1371

[6] WALLER, 1948, J AM CHEM SOC, V70, P19

[1] KARRER, 1948, HELV CHIM ACTA, V31, P777

[2] KARRER, 1947, HELV CHIM ACTA, V30, P1034

[3] KUMLER, 1938, J AM CHEM SOC, V60, P863

[4] MOWAT, 1948, J AM CHEM SOC, V70, P14

[5] TRAUBE, 1900, BER, V33, P1371

[6] WALLER, 1948, J AM CHEM SOC, V70, P19