I've only seen the VHT and Duplicolor. They seem to be exactly the same stuff. Probably come off the same line and packaged for different resellers. Maybe the Rust-Oleum is the same also.
The giveaway Is the exact word for word instructions on the cans.
So far I've used it on some oak chairs with good results and no chipping.
Last week I used it on these arrows and so far no problems. The arrows were done with water based acrylics on bare wood, 320 sanded and sprayed.