coumarin diacid cryptand(2'.2'.2')(19(2),24(2)-dioxo-4,7,13,16,20,23-hexaoxa-1,10-diaza-19(7,6),24(6,7)-di(2H-2-benzopyrana)bicyclo(8.8.6)tetracosaphane-19(3),24(3)-dicarboxylic acid)
coumarin diacid cryptand(2'.2'.2')(19(2),24(2)-dioxo-4,7,13,16,20,23-hexaoxa-1,10-diaza-19(7,6),24(6,7)-di(2h-2-benzopyrana)bicyclo(8.8.6)tetracosaphane-19(3),24(3)-dicarboxylic acid)