purpurin

Eastern colored a little bit Fanzhaoyudu the sky, contracted slightly in Hong Yun, Piaozhe Purpurin Purpurin the Choi Wan.

东方泛着鱼肚色的天空，染上微微的红晕，飘着红紫红紫的彩云。

The key points for extraction of natural edible purpurin and blue pigment are described.

本文详述了天然食紫色素和蓝色素的提取技术和操作要。

A series of novel purpurin-18 imide derivatives which had long wavelength absorption, were synthesized by modification of methyl pheophorbide-a.

合成的系列红紫素-18酰亚胺衍生物具有的紫外吸收。