发明授权
US4658025A Hydrazine-thiocarboxylic acid O-carbamoylmethyl esters 失效
肼 - 硫代羧酸O-氨基甲酰甲基酯

Hydrazine-thiocarboxylic acid O-carbamoylmethyl esters
摘要:
##STR1## (IV) is a known herbicide while (II) and (I) are new intermediates therefor.
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