meso-N,N,N',N'-Tetramethyl-3,3'-dicarboxamid 、
4-甲基-1,2,4-三吖啉-3,5-二酮 生成 (1R,7S,8R,9S,10S)-9-[(1S,7R,8S,9R,10R)-1-(dimethylcarbamoyl)-4-methyl-3,5-dioxo-2,4,6-triazatetracyclo[5.3.2.02,6.08,10]dodec-11-en-9-yl]-N,N,4-trimethyl-3,5-dioxo-2,4,6-triazatetracyclo[5.3.2.02,6.08,10]dodec-11-ene-1-carboxamide