HETEROCYCLIC PHOSPHONIC ACIDS .2.

[1] BROWN, 1950, J SOC CHEM IND, V69, P353

[2] BUCHMAN, 1945, J AM CHEM SOC, V67, P395

[3] DAWSON, 1952, J AM CHEM SOC, V74, P5312

[4] JOHNSON, 1915, J AM CHEM SOC, V37, P2144

[5] JOHNSON, 1931, J AM CHEM SOC, V53, P1989

[6] KOSOLAPOFF, 1945, J AM CHEM SOC, V67, P1180

[7] KOSOLAPOFF, 1947, J AM CHEM SOC, V69, P1002

[8] NYLEN, 1924, BER, V57, P1023

[1] BROWN, 1950, J SOC CHEM IND, V69, P353

[2] BUCHMAN, 1945, J AM CHEM SOC, V67, P395

[3] DAWSON, 1952, J AM CHEM SOC, V74, P5312

[4] JOHNSON, 1915, J AM CHEM SOC, V37, P2144

[5] JOHNSON, 1931, J AM CHEM SOC, V53, P1989

[6] KOSOLAPOFF, 1945, J AM CHEM SOC, V67, P1180

[7] KOSOLAPOFF, 1947, J AM CHEM SOC, V69, P1002

[8] NYLEN, 1924, BER, V57, P1023