. (1997) Concluded several several years back: ‘warning [must] be used in aiming to draw conclusions or make predictions regarding the activity and potency of novel cathinone analogues by analogy on the structure–action relationships derived from amphetamine-linked brokers; it would appear that every new cathinone analogue would require specific investigation.’ https://apothekedrogen.eu/product/mephedrone-4mmc-kristall-bestellen-online/