(2Z)-2-(1-methylpyrrolidin-2-ylidene)-1-phenylethanone

3,4-dihydro-1-methyl-5-<(2-oxo-2-phenylethyl)thio>-2H-pyrrolium bromide

2-溴苯乙酮

1-甲基吡咯烷-2-硫酮

甲醛