Urgent: Novezin is amide or ester?

It's a local synthetic anaesthetic.

Tried to search for it on net and that's all I could find.
I would really appreciate some more details.

First: IS IT AMIDE OR ESTER? It's relevant because of allergy reaction.
Does it have international name? What's its generic name?

Thanks!
Answers:
I cannot find any medication by that designation except in an article in Belgrade but that does not give it's chemical structure. Novazin is a fungicide specifically an ester but I do NOT think that is at all relatebeside yourself
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