[CH3:1][C:2]1[CH:6]=[C:5]([CH2:7][CH2:8][CH:9]([CH3:11])C)[O:4][N:3]=1.CC1C=C(C(=CCCC)CC)[O:15]N=1>>[CH3:1][C:2]1[CH:6]=[C:5]([C:7]2[O:15][CH:11]=[CH:9][CH:8]=2)[O:4][N:3]=1MS: M+ =149 (100); m/e: 120 (2), 106 (4), 95 (43), 82 (32), 66 (18), 52 (15), 39 (18).
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