When the 1V-LSD hemitartrate salt was subjected to basification and extraction with diethyl ether just before GC-MS analysis, it absolutely was located that hydrolysis to LSD transpired (Supporting Information). In addition, a few a lot more 1V-LSD isomers ended up detected within the GC-MS TIC trace with 1V-LSD labeled as isomer I. Once the 1V-LSD