?3-(2-Bromo-1-oxopropyl)-spiro[2H-1,3-benzoxazine-2,1'-cyclohexan]-4(3H)-one , with CAS number of 158299-05-9, can be called Bpsbc ; BR-Comp ; 3-isobutyrylspiro[benzo[e][1,3]oxazine-2,1'-cyclohexan]-4(3H)-one .