The dusty reddish knot at the lower left of the blue ring probably marks the location of the originalnucleus of the galaxy that was hit.
蓝环右下方带有红色的尘埃结很可能标志着原来被冲撞的星系的核心。
2
In this thesis, a series of novel heterocyclic compounds involving in more complex structures and in part originalnucleus were synthesized based on domino reactions and MCRs.