6-methyl-2,3-dihydro-1,4-oxathiine

(2-acetoxy-ethylsulfanyl)-acetic acid ethyl ester

2-氯-2-(2-苯基肼基)-N-苯乙酰胺

(1-anilino-1,3-dioxobutan-2-yl) acetate

5,6-二氢-3-甲基-N-苯基-1,4-噁嗪-2-羧胺