247-trihydroxy-14-benzoxazin-3-one-glucoside 7-O-methyltransferase (EC 2.1.1.241 BX7 (gene) OMT BX7) is an enzyme with system name S-adenosyl-L-methionine:(2R)-47-dihydroxy-3-oxo-34-dihydro-2H-14-benzoxazin-2-yl β-D-glucopyranoside 7-O-methyltransferase.