噻嗪是一种含有四碳环、一个氮原子和一个硫原子的有机化合物。噻嗪、1，2-噻嗪、1，3-噻嗪和1，4-噻嗪有三种异构体，它们在环中的排列方式不同。
2-Methoxy-5-methyl-6H-1,3-thiazine
2,3-Dimethyl-2H-1,4-thiazine-6-carboxamide
2,3-二甲基-2H-1,4-噻嗪-6-甲酰胺
2-(Methylthio)-5,6-dihydro-4H-1,3-thiazine
5,6-Dihydro-2H-1,4-thiazin-3-amine
1,2-Thiazinane 1,1-dioxide
1,4-丁烷磺内酰胺
3,4-Dihydro-2H-1,2-thiazine 1,1-dioxide
N,N-Dimethyl-5,6-dihydro-4H-1,3-thiazin-2-amine
5-Chloro-5,6-dihydro-4H-1,3-thiazin-2-amine
2-(2,4-Dichlorophenyl)-5-(1,2,3,4-tetrahydropyrazin-2-yl)-4H-1,3-thiazin-4-one
3-(4-Chlorophenyl)-2-thioxo-1,3-thiazinan-4-one
2-Amino-5,6-dihydro-4H-1,3-thiazin-4-one
4H-1,3-Thiazine-4,6(5H)-dione
4-Methoxy-1,2-thiazinane 1,1-dioxide
5-(2-Amino-6-phenyl-6H-1,3-thiazin-4-yl)-4-methoxybenzofuran-6-ol
