(-)-(R)-6-(Dimethylamino)-4,4-diphenyl-3-heptanone (-)-Methadone (6R)-Methadone (R)-6-(Dimethylamino)-4,4-diphenyl-3-heptanone (R)-6-(Dimethylamino)-4,4-diphenyl-3-hetpanone 125-58-6 3-14-00-00278 (Beilstein Handbook Reference) 3-HEPTANONE, 6-(DIMETHYLAMINO)-4,4-DIPHENYL-, L- 3-Hetpanone, 6-(dimethylamino)-4,4-diphenyl-, (R)- (9CI) BRN 3213668 L-6-(Dimethylamino)-4,4-diphenyl-3-heptanone L-Polamidon Levometadona [INN-Spanish] Levomethadone Levomethadone [INN] Levomethadonum [INN-Latin] Levothyl Polamivet l-Methadone l-Polamivet