the monohydroxy coumarin derivatives umbelliferone ( 7-hydroxycoumarin ) and scopoletin ( 6-methoxy-7-hydroxycoumarin ) and the coumarin glucosides fraxin ( 6-methoxy-7,8-dihydroxycoumarin 8-o-d-glucoside ) and esculin ( 6,7-dihydroxycoumarin 6-o-d-glucoside ) also inhibited the formation of 5-hete , though less strongly .
C0010207
coumarin derivatives
C0014839
esculin