Entry | 1 | 2 | Yield (%)b |
1 |
1b |
2b | 53 |
2 | 1c |
2c | 52 |
3 |
1d |
2d | 35 |
4 |
1e |
2e | 44 |
5 |
1f |
2f | 56 |
6 |
1g |
2g | 53 |
7 |
1h |
2h | 44 |
8 |
1i |
2i | 40 |
9 |
1j |
2j | 47 |