Methyl 3-(3-pyridinyl)-2-propynoate

3-(4-hydroxyphenyl)prop-2-ynoic acid

2-(1-吡咯烷基)苯甲酸

3-[(dimethylamino)methyl]-3H-2-benzofuran-1-one

methyl N-[4-(dimethylamino)phenyl]carbamate