6-[4-[5-(hydroxymethyl)triazol-1-yl]-1H-pyrimidin-6-ylidene]cyclohexa-2,4-dien-1-one

[3-(2-phenylpyrimidin-4-yl)triazol-4-yl]methanol

3-prop-2-ynoxybutanal

1-pyrrolidin-1-ylpenta-3,4-dien-1-one

1-piperidin-1-ylpenta-3,4-dien-1-one