Derivatives of 4A, 5a, 8a, 8b - tetrahydro - 5h pyrrolo 3 ', 4' - 4.5 furo 3,2-b pyridin-3 6.8 (7H) - dione and procedures for Procurement,Their use for the preparation of a drug for Fighting endoparasites in Human and Veterinary Medicine, endoparasiticidas compositions, Process for its production.

摘要

1. The invention relates to 4a, 5A, 8a, 8b-tetrahydro-6h-pirrolo - [3, 4:4, 5] furo [3, 2-B] piridin-6, 8 - (7h) - Diona de la common (I) and the use of its salts. In these substances, R1 and R5 residues are of great significance as described in the description, and relates to new 4a, 5A, 8a, 8a, 8b-tetrahydro-6h-pirro - [3] derivatives, 4: 4.5) dioxidin [3,2-b] pyridine-6,8 - (7h) - dioxidin, derivatives, licenses for production, endocrine acaricides, procedures for the production and use of these derivatives as endoparasites in human and veterinary medicine.