参考文献:[1] EP2708540, 2014, A1;[2] Proceedings of the Royal Society of London, Series B, 1958, 148:481-488;[3] WO2011/28741, 2011, A1;[4] ACS Medicinal Chemistry Letters, 2016, 7(9):831-834
路线2:
参考文献:[2] Proceedings of the Royal Society of London, Series B, 1958, 148:481-488;[3] WO2011/28741, 2011, A1;[4] ACS Medicinal Chemistry Letters, 2016, 7(9):831-834