84661-50-7
5-氨基-3-甲基异噁唑-4-羧酸
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219938-18-8
(5Z)-3-(2-甲氧基-4-硝基苯基)-5-[(4-硝基苯基)甲亚基]-2-苯基-3,5-二氢-4H-咪唑-4-酮
159954-46-8
4-异噻唑羧酸,5-氨基-3-甲基-,酰肼(9CI)
159954-47-9
5-amino-3-methyl-1,2-oxazole-4-carbonyl azide