发明授权
US4463010A 1-Aza-[3.2.0]-bicycloheptane-2-carboxylic acid, ester or salt thereof 失效
1-氮杂 - [3.2.0] - 双环庚烷-2-羧酸,其酯或其盐

1-Aza-[3.2.0]-bicycloheptane-2-carboxylic acid, ester or salt thereof
摘要:
A 1-aza[3.2.0]bicycloheptan-2-carboxylic acid or salt or ester thereof having a substituent at position 7 of the formula:.dbd.CR.sup.1 R.sup.2wherein R.sup.1 and R.sup.2 are independently hydrogen, halogen or an organic group.
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