Liraglutide batch variation: has anyone tested two lots?

Not asking whether I should do this. Just the specific question.

Tried to verify a COA myself by emailing the lab on it. Never heard back. Not sure if that means anything.

Went through the Institute reports on this and it’s genuinely useful, but I only understand maybe 60% of what I’m looking at.

For what it’s worth the Institute has 4 published Liraglutide reports, which is where I started.

Thanks in advance, this community is usually pretty good about this stuff.