Exploring 5278. To explore a different substance…

2,3,4a,5,6,10b-Hexahydro-1H-naphtho[2,1-b][1,4]oxazine
 5278  C12H15NO  189.254
 InChI=1S/C12H15NO/c1-2-4-10-9(3-1)5-6-11-12(10)13-7-8-14-11/h1-4,11-13H,5-8H2
 JJWWASIFUJBLKZ-UHFFFAOYSA-N This stereoisomer Any stereoisomer
 C1COC2C(N1)c1ccccc1CC2