924279-04-9
3,4-二氢-2H-吡啶并[3,2-b][1,4]噻嗪-6-羧酸甲酯
→
~90%
924278-68-2
3,4-Dihydro-2H-pyrido[3,2-b][1,4]thiazine-6-carboxylic acid