abstract |
(57) Abstract: The present invention, X, X ', and X "independently of one another, represent O or S; Y is O, S, represents NH or NHS; is R 3, in particular cyclopropyl R < 5 >, R < 6 >, R < 7 > and R < 8 > are the same or different from one another and in particular represent a hydrogen atom and a halogen atom. Can be used as an active substance. |