Na mvu 1937, bo salaka nkisi ya kuluta nene ya ke sadisaka na kunwanisa kununa, yina bo vandaka kubinga "4000 agent anti-nunu", na kati na yo 4010, 4010, 4020,4030.}}}}}}}.
Antioxidant 4010NA: Bo ke bingaka yo mpi IPPD yina ke sadisaka nitu na kukangama ngolo, N-isopropyl-N, phenyl-p-phénylénedomine.}}
Antioxidant 4010: Bo ke bingaka yo mpi CPPD yina ke taninaka nitu, N-cyclohexyl-N’-p-phenyl-p-phényl-phénylediamine.}}}.
Antioxidant 4020: Bo ke bingaka yo mpi 6PPD, N-(1,1,{4}}}}}}}owu-N'-p-phenyl-p-phenylendie.}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}.
Antioxidant 4030: me zabana mpi na zina ya 7PPD, N, N’-bis(1,1,{4}}dimethylpentille)-p-phenyledamine.}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}.