The Amaro Angeleno and Salers Aperitif don't contain cinchona but are otherwise bitter. You can also try adding some Angostura Bitters to Lillet Blanc or make your own infused spirit with cinchona ...
which makes an amaro called Angeleno. “Angeleno’s recipe is drawn from our coastal region, which is abundant with orange orchards and vineyards. It features fresh Valencia zest from organic ...