4-氨基-苯磺酸钠盐与甲醛和甲基苯酚的聚合物

4-氨基-苯磺酸钠盐与甲醛和甲基苯酚的聚合物

benzenesulfonic acid, 4-amino-, monosodium salt,polymer with formaldehyde and methylphenol

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4-氨基-苯磺酸钠盐与甲醛和甲基苯酚的聚合物

benzenesulfonic acid, 4-amino-, monosodium salt, polymer with formaldehyde and;benzenesulfonic acid, 4-amino-, monosodium salt,polymer with formaldehyde and methylphenol;Benzenesulfonic acid, 4-amino-, monosodium salt,polymer with formaldehyde and methylphenol (9Cl)

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