20313371

• 2031337 — GS1-8 prefix & item reference
• 1 — Check digit (confirms the number is well-formed)

EAN-8 ✓ Valid check digit

• 20353025 — Rp darvon-n 100mg tab 100's
• 20005719 — Alesto
• 20005740 — Alesto #2
• 20070274 — Alesto #4
• 20267605 — Alesto #5
• 20337698 — Alesto #7

Alesto #6

Search for Alesto #6 on Amazon (or for the code 20313371)