发明授权
US06177425B1 Pyrrolopyrrolone derivatives 失效
吡咯并吡咯啉衍生物

Pyrrolopyrrolone derivatives
摘要:
According to the invention there are provided Hexahydro-Pyrrolo[3,4-b]pyrrol-2-one compounds of formula (1), (relative stereochemistry indicated), wherein R1, R2 and R3 are as defined in the specification. Compounds of formula (1) are useful inter alia in the treatment or chronic bronchitis.
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