EP4334288A1 - ACID ADDITION SALTS OF (S)-3-(2,5-DIMETHOXY-4-(TRIFLUOROMETHYL)PHENYL)PIPERIDINE AND (S)-3-(2-METHOXY-5-(METHYLTHIO)-4-(TRIFLUOROMETHYL)PHENYL)PIPERIDINE, SPECIFIC POLYMORPHS THEREOF AND METHODS FOR THEIR MANUFACTURE