63366-79-0
3-甲基-5-异噁唑羧酸甲酯
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89179-79-3
3-methyl-1,2-oxazole-5-carbohydrazide
1004-96-2
苯甲基三苯基磷
101670-70-6
N'-[[4-(dimethylamino)phenyl]methyl]-3-methyl-1,2-oxazole-5-carbohydrazide