Hexanedioic Acid 1,6-Ditridecyl Ester-d8; Adipic Acid Ditridecyl Ester-d8; Hexanedioic Acid Ditridecyl Ester-d8; 1-Tridecanol Adipate (2:1)-d8; Bis(tridecyl) Adipate-d8; Cereplas DTDA-d8; Emkarate DTDA-d8; Esterex A 51-d8; Plasthall DTDA-d8,Adipate Stable Isotopes