process for the preparation of anthelmintic effect and a preparation method for the preparation of cyclic or acyclic amidinen and / or zuuradditie - salts.

摘要

1,168,361. Anthelmintic compositions. OHAS. PFIZER & CO. Inc. 15 Nov., 1967 [30 Aug., 1967], No. 52098/67. Heading A5B. [Also in Division C2] Anthelmintic compositions, for oral or parenteral administration, comprises a compound of formula: in which R is hydrogen, methyl, ethyl, benzyl or C 1-6 alkanoyl, one of R 1 and R 2 is hydrogen and the other is hydrogen, methyl, chlorine, bromine or iodine, R 3 is hydrogen or methyl, R 4 is methyl, ethyl, methoxy, methylamino or allyl, Z is ethylene or trimethylene and X is ethylene or trans-vinylene, or a non- toxic acid addition salt thereof, together with a pharmaceutical carrier. The compositions may contain local anaesthetics, hyaluronidase and inorganic salts, and may be in the form of solutions, capsules, tablets, boluses and powders. In veterinary use, the active compounds can be mixed with the animal's feed or drinking water.