发明授权
US4459407A 1-(4-Aminobenzyl)-2,3-dioxopiperazine derivatives and salts thereof 失效
1-(4-氨基苄基)-2,3-二氧代哌嗪衍生物及其盐

1-(4-Aminobenzyl)-2,3-dioxopiperazine derivatives and salts thereof
摘要:
A 1-(4-aminobenzyl)-2,3-dioxopiperazine derivative represented by the formula: ##STR1## and a salt thereof have excellent carcinostatic activity but a low toxicity. Therefore, said compounds are useful as medicines and also as intermediates.
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