Similar but not similar compounds….

Some months ago I wrote a blog post about biased ligand. It is still exciting area for me. https://iwatobipen.wordpress.com/2018/02/10/rational-design-of-gpcr-biased-ligand/ BYW, the post is about Rexulti developed by Otuka Pharmaceutical. And the drug approved 19th Jan. 2018 in Japan for schizophrenia. Just by looking, Rexulit has very similar structure to Abilify. I interested the patent strategy