Unfortunately, it is impossible to synthesize.

3 seconds sound clip from the Iron Man 2 movie soundboard.

You can hear this line at 01:23:32.441 in the Blu-ray version of the movie.

Quote context

[...]

- Lose the landscaping, the shrubbery, the trees. Parking lots, exits, entrances.

- Structure the protons and the neutrons using the pavilions as a framework.

- Dead for almost 20 years, and still taking me to school.

- The proposed element should serve as a viable replacement for palladium.

- Thanks, Dad.

- Unfortunately, it is impossible to synthesize.

- Get ready for a major remodel, fellas. We're back in hardware mode.

- I heard you broke the perimeter.

- Yeah. That was, like, three years ago. Where you been? I was doing some stuff.

- Yeah, well, me, too, and it worked.

- Hey, I'm playing for the home team, Coulson, you and all your Fabulous Furry Freak Brothers.

- Now, are you gonna let me work or break my balls?

[...]