| 英文名称: | | disulfurous acid, disodium salt, reaction products with 4-amino-1,3-benzenediam | | ine, p-phenylenediamine, sodium sulfide (na2S) and sulfur | | disulfurous acid, disodium salt, reaction productswith 4-amino-1,3-benzenediamine, p-phenylenediamine, sodium sulfide(na2S) and sulfur |
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