1,4-PHENYLENEDIAMINE-2,3,5,6-D4;1,4-BENZENE-D4-DIAMINE;1,4-PHENYLENEDIAMINE-2,3,5,6-D4, 98 ATOM % D;1,4-Benzene-d4-diamine, 1,4-Diaminobenzene-2,3,5,6-d4
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