摘要 |
A compound for pharmaceutical use has a nucleus of the formula G1-G2---N- @-G2-G1 where E is an organic or organometallic radical having at least three atoms other than hydrogen and is attached to the nitrogen shown in the formula by a carbon-to-nitrogen single bond; where one G1 is C, N, O or S, and both G2's and the other G1 are carbon; or one G2 is S or P, and both G1's and the other G2 are carbon; where the bond shown as --- is a single or double bond; or a biologically acceptable salt thereof. Preferably, the compound is used for combating helminths in animals, including man. |