38 tBu 2 [1, []]
40 tBu 2 [1, []]
41 tBu 2 [1, []]
6 Et 3 [1, []]

25 Ph 2 [1, []]
26 Ph 2 [1, []]
28 Ph 2 [1, []]
29 Ph 2 [1, []]
3 CHO 2 [1, []]

33 Ph 2 [1, []]
84 iPr 3 [1, []]
94 iPr 3 [1, []]
104 iPr 3 [1, []]
124 iPr 3 [1, []]
114 iPr 3 [1, []]
134 iPr 3 [1, []]
3 CHCH2 2 [1, []]

31 Ph 2 [1, []]
23 OMe 2 [1, []]

