K. Matsukawa, J. Setsune, K. Takagi and T. Kitao. Synthesis of 3,5-bis(m- or m,m′-di-substituted-p-aminophenyl)-n-amino-1,2,4-triazole and its application to benzidine yellow type pigment // Dyes and Pigments 1982 vol.3 номер 4 p 307-315
- DOI:
http://dx.doi.org/10.1016/0143-7208(82)80005-3