| 1 | 2829-43-8 | 直接红75 | Direct Red 75 | C33H22N8Na4O15S4
| 染料;色素类;化学试剂;直接染料;染色剂和染料;其他生化试剂;血液学和组织学;生化试剂-色素类;直接耐晒染料 (直接 L 型);通用生化试剂-生物染色剂与化学指示剂 | |
| 2 | 6771-81-9 | 直接红 101 | tetrasodium 4,4'-[carbonylbis(imino-4,1-phenyleneazo)]bis[3-amino-5-hydroxynaphthalene-2,7-disulphonate] | C33H22N8Na4O15S4
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| 3 | 72017-91-5 | tetrasodium 5-amino-3-[[4-[[4-[(8-amino-1-hydroxy-3,6-disulphonato-2-naphthyl)azo]-3-methoxyphenyl]azo]phenyl]azo]-4-hydroxynaphthalene-2,7-disulphonate | tetrasodium 5-amino-3-[[4-[[4-[(8-amino-1-hydroxy-3,6-disulphonato-2-naphthyl)azo]-3-methoxyphenyl]azo]phenyl]azo]-4-hydroxynaphthalene-2,7-disulphonate | C33H22N8Na4O15S4
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