100359-19-1 11139-74-5 149984-55-4 157971-18-1 178252-44-3 24993-04-2 27030-82-6 51248-46-5 51555-86-3 71119-52-3 72506-60-6 9049-00-7 9049-01-8 Hexanedioic acid, polymer with hexahydro-2H-azepin-2-one and 1,6-hexanediamine Nylon 6:66