英文别名:5,6-DIHYDRO-3-METHYLAMINO-2H-1,4-THIAZIN-2-ONE OXIME;Ranitidine EP impurity G;RANITIDINE IMPURITY G;Ranitidini Impurity G;2H-1,4-Thiazin-2-one,5,6-dihydro-3-(methylamino)-, oxime;3-(Methylamino)-5,6-dihydro-2H-1,4-;Ranitidine EP Impurity G (Mixture of Z and E isomers);N-methyl-6-nitroso-3,4-dihydro-2H-1,4-thiazin-5-amine