Tolcapone Impurities

  • Tolcapone Tolcapone Related Compound A

  • Impurity: Tolcapone Tolcapone Related Compound A
  • CAS No: N/A
  • Chemical Name: 4-methyl-3,4-dihydroxybenzophenone

  • Tolcapone Tolcapone Related Compound B

  • Impurity: Tolcapone Tolcapone Related Compound B
  • CAS No: N/A
  • Chemical Name: 4-hydroxy-3-methoxy-4-methyl-5-nitrobenzophenon