ethyl(methylthio)acetic hydrazide

7-chloro-5-(3,4-dimethoxyphenyl)-1,3-dihydro-1,4-benzodiazepin-2-thione

(3,4-二甲氧苯基)乙腈

2-amino-5-chloro-3',4'-dimethoxybenzophenone

5-chloro-3-(3,4-dimethoxyphenyl)-2,1-benzoxazole