... 31, 91 31, 92 31, 87 8 31, 77 31, 92 31, 87 9 50 ,15 50 ,15 50 ,12 10 36,50 36, 51 36,40 11 21, 1 21, 1 21, 06 12 39,78 39,80 39,66 13 42,32 42,33 42 ,18 14 56,87 56,78 56,83 15 24,4 24, 31 24,35 16 ... 29 ,18 28,92 17 56,02 56,08 55, 91 18 12 ,10 0,70 (3H, s, H -18 ) 11 ,99 0,69(3H, s, H- 18 ) 12 ,1 0,69(3H, s, H -18 ) 19 19 ,4 1, 01 (3H, s, H -19 ) 19 ,39 1, 01( 3H, s, H- 19 ) 19 ,39 1, 01( 3H, s, H -19 ) ... 13 8,25 5,03(1H, dd, J =15 ,5Hz, 8,5Hz, H-22) 23 12 9,29 5 ,16 (1H, dd, J=8,6, 15 ,2 Hz, H-23) 12 9,3 5 ,11 (1H, J =15 ,5Hz, 8,5Hz, H-23) 12 9 ,19 5 ,11 (1H, J =15 ,5Hz, 8,5Hz, H-23) 24 51, 24 51, 3...