tert-butyl {2-[(4-methoxy-3,5-dimethylpyridin-2-yl)methyl]-8-(2-morpholin-4-ylethyl)-2,7-dihydro-6-thia-1,2,3,5-tetraazabenzo[cd]azulen-4-yl}carbamate 以68%的产率得到2-[(4-methoxy-3,5-dimethylpyridin-2-yl)methyl]-8-(2-morpholin-4-ylethyl)-2,7-dihydro-6-thia-1,2,3,5-tetraazabenzo[cd]azulen-4-amine