109004-88-8
2.2-difluoro-4-pentenoic acid
→
109004-86-6
4-benzyl-4-(2,2-difluoropent-4-enoyl)-2-phenyloxazol-5(4H)-one
109004-92-4
4-benzyl-2-phenyloxazol-5-yl 2,2-difluoropent-4-enoate