CPC C07D 487/14 (2013.01) [C07D 207/08 (2013.01); C07D 207/16 (2013.01); C07D 241/20 (2013.01); C07D 487/04 (2013.01)] | 2 Claims |
1. A compound, having a structure shown Formula III:
wherein, R is a protective group of nitrogen atoms.
|