What synthesis? MDMA ( https://www.thevespiary.org/rhodium/Rhodium/chemistry/brightstar.mdma.html (https://www.thevespiary.org/rhodium/Rhodium/chemistry/brightstar.mdma.html)
)
What step? Step 6. Crystallization (MDMA oil + HCI in IPA/Xylene)
Suggested Use? Thats exactly what Id like to know. What good are they if any?