| 1 | 89270-19-9 | | Urea, 1,2,3-thiadiazol-5-yl- | C3H4N4OS
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| 2 | 4100-18-9 | 1,2,3-噻二唑-4-卡巴肼 | 1,2,3-THIADIAZOLE-4-CARBOHYDRAZIDE | C3H4N4OS
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| 3 | 16279-22-4 | Urea, 1,3,4-thiadiazol-2-yl- (9CI) | Urea, 1,3,4-thiadiazol-2-yl- (9CI) | C3H4N4OS
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| 4 | 88947-28-8 | 4-氨基-1,2,5-噻二唑-3-甲酰胺 | 4-amino-1,2,5-thiadiazole-3-carboxamide | C3H4N4OS
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| 5 | 21119-81-3 | 4-氨基-6-巯基-1,3,5-三嗪-2(5H)-酮 | 4-Amino-6-mercapto-1,3,5-triazin-2(5H)-one | C3H4N4OS
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| 6 | 99417-89-7 | 1H-1,2,3-Triazole-4-carboxamide,5-mercapto- | 1H-1,2,3-Triazole-4-carboxamide,5-mercapto- | C3H4N4OS
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| 7 | 85059-20-7 | 1,2,3-Thiadiazole-4-carboxamide,5-amino-(9CI) | 1,2,3-Thiadiazole-4-carboxamide,5-amino-(9CI) | C3H4N4OS
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| 8 | 41148-18-9 | 1,3,4-Thiadiazol-2-amine, N-methyl-N-nitroso- | 1,3,4-Thiadiazol-2-amine, N-methyl-N-nitroso- | C3H4N4OS
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| 9 | 88947-29-9 | 5-氨基-1,3,4-噻二唑-2-甲酰胺 | 1,3,4-Thiadiazole-2-carboxamide,5-amino-(7CI,9CI) | C3H4N4OS
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| 10 | 874507-55-8 | 1,3,4-Thiadiazole, 2-methyl-5-nitrosamino- (5CI) | 1,3,4-Thiadiazole, 2-methyl-5-nitrosamino- (5CI) | C3H4N4OS
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| 11 | 25306-05-2 | 1,3,4-Thiadiazole-2-carboxaldehyde, 5-amino-, oxime | 1,3,4-Thiadiazole-2-carboxaldehyde, 5-amino-, oxime | C3H4N4OS
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| 12 | 62438-04-4 | 1,2,5-Thiadiazole-3-carboxylicacid,hydrazide(6CI,7CI,9CI) | 1,2,5-Thiadiazole-3-carboxylicacid,hydrazide(6CI,7CI,9CI) | C3H4N4OS
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| 13 | 61320-85-2 | 1H-1,2,4-Triazole-3-carboxamide,4,5-dihydro-5-thioxo-(9CI) | 1H-1,2,4-Triazole-3-carboxamide,4,5-dihydro-5-thioxo-(9CI) | C3H4N4OS
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| 14 | 266340-65-2 | Hydrazinecarboxaldehyde, 2-(1,3,4-thiadiazol-2-yl)- (9CI) | Hydrazinecarboxaldehyde, 2-(1,3,4-thiadiazol-2-yl)- (9CI) | C3H4N4OS
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