Items Specifications -CAS 137350-66-4 -Formula C20H27FN2O3 -Appearance powder ( yellow ) and More -Package Aluminum foil bag, or customized -Deliver 2 days after payment -Shipping FedEx, DHL, TNT, UPS, etc. -Payment PayPal, Bitcoin, Western Union, MoneyGram Q1: Can i get some samples? A:Yes, we can supply the free sample, but the shipping cost be paid by our customers. Q2: How to start orders or make payments? A:Proforma invoice will be sent first after confirmation of order, enclosed our bank