. 4-FPD was synthesized in the modern chemical laboratory in compliance with all standards. 2. and siological properties of 4-FPD have not been studied. 3.Storage conditions: in a cool and dry place. 4.Storage time: up to 2 years subject to proper storage conditions. 5.Envelopes are sent 24 hours after payment. 6.Delivery time 3-4 business days. 100% delivery speed throughout Europe. 7.We accept payments: Bitcoin, Litecoin, Payeer, Perfect Money, Advanced Cash, Visa/MasterCard.