15893-52-4 2,4-Dihydroxy-7-methoxy-1,4-benzoxazin-3-one 2,4-Dihydroxy-7-methoxy-1,4-benzoxazinone 2,4-Dihydroxy-7-methoxy-2H,1,4-benzoxazin-3(4H)one 2H-1,4-BENZOXAZIN-3(4H)-ONE, 2,4-DIHYDROXY-7-METHOXY- BRN 1078658 DIMBOA