| 摘要 |
<p>The present disclosure relates to a bis-quinophthalone pigment of Formula I, and a process for the same. wherein X1, X2, X3 and X4 are independently H or halogen preferably CI or Br; R2 is substituent selected from the group consisting of H, C1- C20 straight or branched chain alkyl substituents, aromatic substituents, aliphatic substituents, and combinations thereof.</p> |
