abstract |
(57) The present invention relates to a compound of the formula (I-α) or (I-β) wherein R is alkyl, optionally substituted aralkyl and optionally substituted aryl. And R 1 represents various groups), and acid addition salts and metal salt complexes thereof. The invention further relates to a process for the production of these new substances and to their use as microbicides for the protection of plants and materials. |