| 摘要 |
<p>The dye has the general formula:- (Where R1 and R2 are lower alkyl opt. contng. none-ionic gps. and at least one of the aromatic gps. contng. a none-ionic gps; R is lower alkyl; X is a suitably charged anien.) and is prepd. by reacting the amine deriv. with D; M; S, phenyl or p-toluene methyl sulphanate or methyl chloride in inert soln. at 80-130 degrees C.</p> |
