乙醇

五氟丙酰氟

硫酸二甲酯

allyl-3,4,6-tri-O-acetyl-2-O-pentafluoropropionyl-α-D-mannopyranosyl-(1->2)-3,4,6-tri-O-benzyl-α-D-mannopyranoside

ethyl pentafluoropropanethioate