Indigoide pigments.

[1] FRIEDLANDER P, 1902, BER DTSCH CHEM GES, V32, P1837

[2] FRIEDLANDER P, 1900, BER DTSCH CHEM GES, V30, P1077

[3] FRIEDLANDER P, MONATSH, V28, P991

[4] GABRIEL S, 1903, BER DTSCH CHEM GES, V33, P996

[5] KNORR L, ANN CHEM, V318, P171

[6] THIELE J, ANN CHEM, V319, P198

[7] 1900, BER DTSCH CHEM GES, V33, P996

[8] 1906, BER DTSCH CHEM GES, V39, P1062

[9] 1886, BER DTSCH CHEM GES, V26, P2548

[10] ANN CHEM, V351, P390

[1] FRIEDLANDER P, 1902, BER DTSCH CHEM GES, V32, P1837

[2] FRIEDLANDER P, 1900, BER DTSCH CHEM GES, V30, P1077

[3] FRIEDLANDER P, MONATSH, V28, P991

[4] GABRIEL S, 1903, BER DTSCH CHEM GES, V33, P996

[5] KNORR L, ANN CHEM, V318, P171

[6] THIELE J, ANN CHEM, V319, P198

[7] 1900, BER DTSCH CHEM GES, V33, P996

[8] 1906, BER DTSCH CHEM GES, V39, P1062

[9] 1886, BER DTSCH CHEM GES, V26, P2548

[10] ANN CHEM, V351, P390