5,5,10,10,15,15,20,20-octamethyl-N-confused calix[4]pyrrole

5,5'-(propane-2,2-diyl)bis(2-(2-(1H-pyrrol-2-yl)propan-2-yl)-1H-pyrrole)

2,2'-(2,2-丙烷二基)二(1H-吡咯)

2,5-bis(2-(1H-pyrrol-2-yl)propan-2-yl)-1H-pyrrole

4,4-二甲氧基-2-丁酮