Send the following on WhatsApp
Continue to ChatSyntheses, spectroscopic properties and stereochemistry of bis-C-pivot macrocycles with two dialkyl phosphonate groups - https://avesis.ankara.edu.tr/yayin/ba52a537-db7a-403c-84fc-118708d6f6bc/syntheses-spectroscopic-properties-and-stereochemistry-of-bis-c-pivot-macrocycles-with-two-dialkyl-phosphonate-groups