Some people who have made use of acid report using a “undesirable journey,” which means that their expertise was unpleasant. A nasty trip can be terrifying or deeply disturbing. “The new compound, on the other hand, aroused no Specific interest inside our pharmacologists and medical professionals; tests was thus discontinued.” https://medium.com/@LsdWorld/the-future-of-lsd-research-and-potential-medical-uses-40ebd16dd150