อัลฟาของ Tetrafuloffulfulutate fluted PTFFE-suflate-suflate-sufact-suflate-suf-fulate-s-suf-f-f-f-f-f-f-f-f-f-f-f-f-f-f-f-f-f-f-f-f-------------------------------------------------f-f-f-f-f-f-f-f-f-f-f-f-f-f-f-f-f-f-f-f-f-f-f-f-f-f-f-f-f-f-f-f-f-f-f-f-f-f-f-ul-f-ul-ul-ofel-f-f-f-f-f-f-f-f-f-f-ul-ul