Best way to touch up paint

I painted my RV 8 with single stage urethane, DuPont Imron. It is not base coat clear coat. Looking on line, most of the touch up paint is lacquer or acrylic lacquer paint that requires a base coat and clear coat.
What have you used to do some small touch up work? Can I get a similar finish to my my single stage using base coat clear coat system?
Any suggestions appreciated

Why not use the same paint as you used originally?

I've tried in the past and the new paint lifted the old paint where it overlapped.

brad walton said:

I've tried in the past and the new paint lifted the old paint where it overlapped.

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Go by your local auto refinisher (AKA body shop) or auto paint store and explain what you're doing and the problem you're having. I've reshot a fair amount of imron over the years and never had that problem.