1)
What do we learn from "Chai Ani... Im Lo"?
1.
Radak: This is a Shevu'ah, like "Im Lo Ka'asher Dimisi Ken Haysah" (Yeshayah 14:24).
2.
Malbim: This is why he will not escape. Nebuchadnetzar will fight him, and he will die in Bavel.