Any recommendations? Any to stay away from?

I have two frames in Rustoleum alkyd oil that need to be stripped for repaint.

I don't mind waiting overnight for the paint to soften so if some less nasty ones will do the job then that's fine.

Aside from the obvious PPE and procedures (my full face respirator with fresh organic vapor cartridges, long rubber gloves suitable to the chemicals, that sort of thing) are there any tips on use?

Thanks