Moreover, the indole core is substituted at R3 by using a carbonyl group that is also bonded to some napthalene moeity. Napthalene is actually a bicyclic construction of two fused benzene rings. This carbonyl bridge of JWH-018 classifies it like a ketone. JWH-018 is undoubtedly an analog of THJ-018, through https://jwh01856320.blogsidea.com/39322231/497-fundamentals-explained