methyl (2E)-2-cyano-2-hydroxyiminoacetate

2-cyano-2-oximino acetic acid methyl ester

2-肟氰乙酸乙酯

5,5-dioxo-3H-[1,2,5]oxadiazolo[3,4-c][1,2,6]thiadiazin-7-amine

isocyanato-furazancarbonitrile