英文名称: | Carbonic acid disodium salt, reaction products with 4-methyl-1,3-benzenediamine, 4-nitrobenzenamine, p-phenylenediamine, sodium sulfide and sulfur | Carbonic acid disodium salt,reaction products with 4-methyl-1,3-benzenediamine,4-nitrobenzenamine,p-phenylenediamine,sodium sulfide and sulfur |
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