“…%): 202 (50% [M − 1] + ), 188 (41% [M-CSe] + ), 175 (48% [M-NCSe] + ), 160 (19% [M-CH2NCSe] + ), 146 (30% [Ad − CH2] + ), 135 (100% [Ad] + ), retention time = 13.583 min. 1 H NMR (300 MHz, CDCl3), δ, ppm: 1.15-1.21 (m, 2H, H 11 ), 1.46 (d, J = 2.9 Hz, 6H, H 2 , H 8 , H 9 ), 1.60-1.76 (m, 8H, H 4 , H6 , H 10 , H12 ), 1.88-1.99 (m, 3H, H 3 , H 5 , H 7 ), 3.36 (tt, J = 6.8, 1.9 Hz, 2H, H13 ) 13. C NMR (75 MHz, CDCl3), δ, ppm: 22.85 (C 12 ), 28.61 (C 3 , C 5 , C 7 ), 31.94 (C 1 ), 37.09 (C 4 , C 6 , C 10 ), 41.13 (C 11 ), 42.31 (C 2 , C 8 , C 9 ), 69.16 (C 13 ).…”