3-phenyl-2-thioxo-2,3-dihydrobenzo[e][1,3]thiazine-4-one

3-phenyl-benzo[e][1,3]thiazine-2,4-dithione

(5-chloro-5-methyl-4-phenyl-4,5-dihydro-[1,3,4]thiadiazol-2-yl)-phenyl-amine

2-phenyl-3-thio-allophanic acid ethyl ester