trisodium 2-[2-(4-nitro-2-sulphonatophenyl)vinyl]-5-[[4-[(4-sulphonatophenyl)azo]phenyl]azo]benzenesulphonate
C.I.直接橙39 309072
CAS No: 74764-74-2
trisodium,nitro,sulphonatophenyl,vinyl,phenyl,benzenesulphonate
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