英文别名Zofluza intermediate; Baloxavir Impurity 43; Baloxavir Marboxil Impurity 50; 3,4,12,12a-Tetrahydro-7-(phenylmethoxy)-1H-[1,4]oxazino[3,4-c]pyrido[2,1-f][1,2,4]triazine-6,8-dione; 11-phenylmethoxy-5-oxa-1,2,8-triazatricyclo[8.4.0.03,8]tetradeca-10,13-diene-9,12-dione; (R)-7-(benzyloxy)-3,4,12,12a-tetrahydro-1H-[1,4]oxazino[3,4-c]pyrido[2,1-f][1,2,4]-triazine-6,8-dione; Baloxavir Impurity 3; Baloxavir marboxil intermediate; 11-benzyloxy-5-oxa-1,2,8-triazatricyclo[8.4.0.03,8]tetradeca-10,13-diene-9,12-dione; 1H-[1,4]OXAZINO[3,4-C]PYRIDO[2,1-F][1,2,4]TRIAZINE-6,8-DIONE,3,4,12,12A-TETRAHYDRO-7-(PHENYLMETHOXY)- 
