product Name：3,3'(4H,4'H)-Spirobi[2H-1-benzopyran](9CI)
  • 3,3'-Spirobichroman(8CI)
  • 178-23-4
  • C17H16O2
  • 3,3'(4H,4'H)-Spirobi[2H-1-benzopyran](9CI) 178-23-4