4-diaza-sp相关论文
Synthesis and Crystal Structure of the First Diaza-spirobifluorene:2-(Spirobifluorene-2-yl)-3,4-diaz
The title compound 2-(spirobifluorene-2-yl)-3,4-diaza-spirobifluorene(C48H28N2,Mr = 632.72) has been synthesized and cha......