7-phenyl-9,10-dihydro-8H-benzo[a]acridin-7-ium-11-one,bromide

1,4-dioxaspiro[4.5]decan-7-ol

6-pent-4-enyloxan-2-one

1,4,8,11-tetrathiadispiro[4.1.4⁷.3⁵]tetradecane

1,4-dithiaspiro[4.5]decan-7-one