meconin saligenin Veganin diosgenin pollenin sporopollenin melanin manganin sporonin pyronin sirenin peonin opsonin renin whin win wynn rawin Darwin quin Algonquin harlequin pamaquin Plasmoquine sequin Pasquin twin pinguin penguin anguine sanguine exsanguine consanguine ensanguine lutein nuclein