I've never heard of it, and don't know what that is they say it's made from. I shouldn't joke about it, especially if it's good, but it sounds like something we meade in high school chemistry class. You know, the artificial smell experiments that would fill the halls? How DID we get that artificial banana smell? There were no bananas involed here.
I think this sounds very expensive and, even if it does only take a little bit, why not just use a bit of real lemon squeeze...or have a tried and true Sprite?
I've heard the Divinci syrup flavors are good. I haven't tried them yet either.