| 摘要 |
<p>Coupling and developer substances for subtractive colour photography. Title cpds. are made by coupling the dilithium salt and the disilver of 3-hydroxy-kynurimines (or derivs) with 2-carboxy-4,8-dihydroxy-6-chloro-quinoline (or derivs) in the presence of Ag br to yellow xanthanmatin (dyes).</p> |
