The present invention claims dyestuffs of formula (I), wherein D, R1 to R7 and n are defined as given in claim 1, a process for their preparation and their use.
Bigiavi, Gazzetta Chimica Italiana, 1931, vol. 61, p. 392,395
作者:Bigiavi
DOI:——
日期:——
STRUCTURE OF THE BANDROWSKI BASE. II. N,N'-BIS-(2,5-DIAMINOPHENYL)-p-QUINONEDIIMINE