If the 1V-LSD hemitartrate salt was subjected to basification and extraction with diethyl ether before GC-MS Assessment, it was discovered that hydrolysis to LSD transpired (Supporting Info). Furthermore, three additional 1V-LSD isomers have been detected while in the GC-MS TIC trace with 1V-LSD labeled as isomer I. Once the 1V-LSD salt was dissolv