from Phenomenex for Kinetex Core-Shell C18 HPLC Column
NUCLEODUR 100-5 C18 ec from Macherey-Nagel Inc.
NUCLEODUR C18 Gravity from Macherey-Nagel Inc.
NUCLEOSHELL RP 18 from Macherey-Nagel Inc.
NUCLEOSIL 100-5 C18 from Macherey-Nagel Inc.