The Fish and Game Dept. at LBL in Kentucky use to use it as a lure to trap deer. Russell Hull I think had the first Vanilla based lure on the market called Cover up, Russell was a well known Big Buck killer from Kansas.
The first time I ever used the stuff I had a big Doe come in from down wind, and hunt me down, Picked me out of the tree from 30 yards away and began blowing, stomping her feet. I have never used any type of cover scent, since that day. (around 23 years ago)
I have used quite a bit of it mixed with a few other goodies in aspray bottle for establishing Bear Baits though.