{
  "ring_codes": {
    "new": "NGCD-021 MT\tB01 N\nNGCD-021E MT\tB01 IFPI L262",
    "old": "NGCD-021 MT\tB01 N"
  },
  "serial": {
    "new": "NGCD-021, NGCD-021E",
    "old": "NGCD-021"
  }
}