N,N-diethyl-2-methylpropan-1-amine

1-甲基-4-(羟基乙基)哌啶

5-甲基-N,N-二甲基色胺

2-hydroxy-5-(4-hydroxyphenyl)benzaldehyde

4,4'-dihydroxy-[1,1'-biphenyl]-3,3'-dicarbaldehyde