Methadone
6-(Dimethylamino)-4,4-diphenylheptan-3-one
 9294  C21H27NO  309.445
 InChI=1S/C21H27NO/c1-5-20(23)21(16-17(2)22(3)4,18-12-8-6-9-13-18)19-14-10-7-11-15-19/h6-15,17H,5,16H2,1-4H3
 USSIQXCVUWKGNF-UHFFFAOYSA-N This stereoisomer Any stereoisomer
 CCC(=O)C(c1ccccc1)(c1ccccc1)CC(N(C)C)C