The so-called isodiazo acetic ester.

[1] CURTIUS, 1907, BER DTSCH CHEM GES, V40, P826

[2] CURTIUS, 1906, BER DTSCH CHEM GES, V39, P3412

[3] CURTIUS, 1906, BER, V39, P4140

[4] CURTIUS T, 1886, DIAZOVERBINDUNGEN FE, P31

[5] REISSERT, 1895, BER DTSCH CHEM GES, V28, P1232

[6] 1901, BER DTSCH CHEM GES, V34, P2506

[7] 1906, BER DTSCH CHEM GES, V39, P1383

[8] 1904, BER DTSCH CHEM GES, V37, P2066

[9] 1895, BER DTSCH CHEM GES, V28, P215

[10] 1906, BER DTSCH CHEM GES, V39, P3398

[1] CURTIUS, 1907, BER DTSCH CHEM GES, V40, P826

[2] CURTIUS, 1906, BER DTSCH CHEM GES, V39, P3412

[3] CURTIUS, 1906, BER, V39, P4140

[4] CURTIUS T, 1886, DIAZOVERBINDUNGEN FE, P31

[5] REISSERT, 1895, BER DTSCH CHEM GES, V28, P1232

[6] 1901, BER DTSCH CHEM GES, V34, P2506

[7] 1906, BER DTSCH CHEM GES, V39, P1383

[8] 1904, BER DTSCH CHEM GES, V37, P2066

[9] 1895, BER DTSCH CHEM GES, V28, P215

[10] 1906, BER DTSCH CHEM GES, V39, P3398