发明授权
US3511867A N-substituted dithiocarbamates of substituted 3 - amino-2-cyano-3-thioacrylic acid esters 失效
取代的3-氨基-2-氰基-3-硫代丙酸酯的N-取代二异氰酸酯

N-substituted dithiocarbamates of substituted 3 - amino-2-cyano-3-thioacrylic acid esters
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