5-cl-adb-a ( 5CLADBA ) also known as 5-cl-adb-a is a new synthetic cannabinoid that has recently become available and has been added to our inventory. 5-cl-adb-a is an indazole-based synthetic cannabinoid from the indazole-3-carboxamide family. it is derived from a series of compounds originally developed by Pfizer in 2009 as an analgesic medication. 5-CL-ADB-A is an indazole-based synthetic cannabinoid. 5-cl-adb-a acts as a designer ***** which has been sold online.