6-methyl-2,5-diphenyl-4,6-dihydro-1,3,4-thiadiazin-5-ol

6-methyl-2,5-diphenyl-6H-1,3,4-thiadiazine

2-benzyl-6-methyl-5-phenyl-6H-1,3,4-thiadiazine

1-phenyl-2-pyridin-1-ium-1-ylpropan-1-one,bromide

2-氯-2-氟-1-苯基-1-丙酮