• PVP (Polyvinylpyrrolidone)
• VP/VA64 Copolymer, Copovidone VA64
• Crospovidone
• Povidone Iodine
• N-Methyl pyrrolidone
• N-Vinylpyrrolidone
• N-Ethyl-2-pyrrolidone
• 1,4-Butylene glycol
• 1-Vinylimidazole
• N-Vinylcaprolactam
• 1-octylpyrrolidin-2-one
• N-Cyclohexyl-2-pyrrolidone
• N-Butyl Pyrrolidone