ethyl (Z)-2-(1,3-oxathiolan-2-ylidene)-3-oxobutanoate

4-异硫氰酸基-苯酚

dibenzyl piperazine-1,4-dicarbodithioate

1-(5-乙酰基-2-羟基-苯基)-乙酮

2-苯甲酰基-3,3-二(甲基硫代)丙烯腈