英语语法分析

These acids exist in intramolecularly bonded forms.

硝酸分子以氢键互相连结。

Thus, photostimulated single electron transfer in CTC followed by expelling chloride ion leads to a biradical, which couples intramolecularly.

所以，光诱导的单电子转移和随后的氯离子离去导致双游离基，双游离基分子内偶合成环。