762-42-5
丁炔二酸二甲酯
→
~49%
62409-18-1
N-hydroxy-3-oxo-1,2-oxazole-5-carboxamide
62409-17-0
2-chloro-N,N'-dihydroxybut-2-enediamide
10068-07-2
3-羟基异恶唑-5-甲酸甲酯
2763-96-4
蝇蕈醇