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