N-甲基乙酰氧肟酸

N-[[hydroxy(methyl)amino]methyl]-N-methylhydroxylamine

methyl 2-(2-methoxy-2-oxoethyl)sulfonylacetate

对甲基苯甲醛

N-[2-[2-[hydroxy(methyl)amino]ethylsulfonyl]ethyl]-N-methylhydroxylamine