cephalochromin

Noun

 * 1)  The antibacterial chromenone dimer 5,6,8-trihydroxy-2-methyl-9-(5,6,8-trihydroxy-2-methyl-4-oxo-2,3-dihydrobenzo[g]chromen-9-yl)-2,3-dihydrobenzo[g]chromen-4-one