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https://www.masterorganicchemistry.com/2017/02/23/rules-for-aromaticity/
Quote from: AWK on May 19, 2020, 07:14:30 AMhttps://www.masterorganicchemistry.com/2017/02/23/rules-for-aromaticity/ so i guess the first one is aromatic, 2nd,3rd and 4th is not aromatic right?