发明授权
US6110928A 4a, 5a, 8a, 8b--tetrahydro-6H-ptrrolo [3,4':4,5]furo(3,2-b) pyridine-6,8[7H]-dione derivatives for use in controlling endoparasites and a method of producing said derivatives 失效
用于控制内寄生虫的4a,5a,8a,8b-四氢-6H-吡咯并[3,4':4,5]呋喃(3,2-b)吡啶-6,8 [7H] - 二酮衍生物和方法 生产所述衍生物

4a, 5a, 8a, 8b--tetrahydro-6H-ptrrolo [3,4':4,5]furo(3,2-b)
pyridine-6,8[7H]-dione derivatives for use in controlling endoparasites
and a method of producing said derivatives
摘要:
The present invention relates to the use of 4a, 5a, 8a, 8b-tetrahydro-6H-pyrrolo[3',4':4,5]furo[3,2-b]pyridine-6,8(7H)-dione derivatives of the general formula (I) and salts thereof, ##STR1## in which the radicals R.sup.1 to R.sup.5 have the meaning given in the description, and to novel 4a, 5a, 8a, 8b-tetrahydro-6H-pyrrolo[3',4':4,5]furo[3,2-b]pyridine-6,8(7H)-dione derivatives and processes for their preparation.
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