Estrogen comes in many forms & has numerous derivatives & metabolites…
I can’t tell you what TAH & TAL are or how where they fit in the biosynthesis pathway as there are no pheromones that are called TAH & TAL… Those are “code names” that Androtics have given the molecules to get better semi-blind testing data from forum users.
Here’s a link to a thread where JVKohl & I chatted about the biosynthesis of some of the pheromones There’s loads of pictures & diagrams in it.