Here's what rhymes with dihydroxyanthranol.
mole knoll whole role soul coal goal hole pole roll sole bowl fol poll toll shoal dole foal bole boll thole unroll vole kohl tole dolour stole parole enroll droll cajole troll condole maypole prole rissole skoal control patrol scroll stroll systole vacuole oriole camisole innersole glycerol casserole extol buttonhole petiole bedroll pigeonhole cubbyhole extoll beanpole arteriole decontrol profiterole quadrupole