TMS = 0, ppm) 0.89 (3 H, H an C-8), 1.18 (3 H, t, Wthoxy-CH, J = 7 Hz), 1.28 (10 H, CH,-Gruppen), 1.99 (3 H, s, Acetyl), 3.39 (2 H, d, H an C-1, J = m, H an C-2). Acetat des Isomeren (15) Massenspektrum (70 eV) m/e = 173 (0.3, M-CH,CO), 156 (5, M+-CH,COOH), 97 (10,156-CC,H,OCH,), 85 (12,C&13+), 5 Hz), 3.49 (2 H, q, ;dithoxy-CH,, J = 7 Hz), 4.94 (1 H,