Exploring Betamethadol. To explore a different substance…

Betamethadol
(3S,6R)-6-(Dimethylamino)-4,4-diphenylheptan-3-ol
 13969  C21H29NO  311.461
 InChI=1S/C21H29NO/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/h6-15,17,20,23H,5,16H2,1-4H3/t17-,20+/m1/s1
 QIRAYNIFEOXSPW-XLIONFOSSA-N This stereoisomer Any stereoisomer
 CC[C@@H](C(c1ccccc1)(c1ccccc1)C[C@H](N(C)C)C)O