1.γ(Gamma)-Butyrolactone GBL

2. α-pyrrolidone  CAS NO:[618-45-5]

3. PVP-I (PVP-lodine) USP28/EP5

4. PVP-K homopolymer USP26/USP28/EP5/Technical
    K15/K17K25/K30/K90

5. PVP-P Polyvinyl Pyrrolidone USP28/EP5

6. PVP-VA Copolymer USP26/Cosmetics
    VA37/VA55/VA64 P, W, E/VA73W, E

7. PVP-Q755N

8. PVP-SH Series

9. PVP-S2