299855 NE norepinephrine 13444 1334294 NMN normetanephrine 180 304700 NM normetanephrine 46 1333720 NME normetanephrine 8 3150479 NMET normetanephrine 4 560494 N-Meta normetanephrine 1 1334959 NMR normetanephrine 1 1335342 NMT normetanephrine 1 2021505 NORMNE normetanephrine 1 1843789 NorMN normetanephrine 1