Exploring Isocodeine. To explore a different substance…

Isocodeine
(5α,6β)-3-Methoxy-17-methyl-7,8-didehydro-4,5-epoxymorphinan-6-ol
 13984  C18H21NO3  299.364
 InChI=1S/C18H21NO3/c1-19-8-7-18-11-4-5-13(20)17(18)22-16-14(21-2)6-3-10(15(16)18)9-12(11)19/h3-6,11-13,17,20H,7-9H2,1-2H3/t11-,12+,13+,17-,18-/m0/s1
 OROGSEYTTFOCAN-KEMUOJQUSA-N This stereoisomer Any stereoisomer
 COc1ccc2c3c1O[C@@H]1[C@@]43CCN([C@H](C2)[C@@H]4C=C[C@H]1O)C