Once the 1V-LSD hemitartrate salt was subjected to basification and extraction with diethyl ether before GC-MS Investigation, it had been discovered that hydrolysis to LSD happened (Supporting Data). Additionally, 3 much more 1V-LSD isomers have been detected in the GC-MS TIC trace with 1V-LSD labeled as isomer I. If the 1V-LSD salt was dissolved i