Trivial name topology as the Olympic rings) and quadratic acid (also known as squaric acid). The Bohemic acid complex is a mixture of chemicals obtained through fermentation of a species of actinobacteria. In 1977 the components were isolated and have been found useful as antitumor agents and anthracycline antibiotics. The authors named the complex (and one of its components, bohemamine) after the opera La bohème by Puccini, and the remaining components were named after characters in the opera: alcindoromycin (Alcindoro), collinemycin (Colline), marcellomycin (Marcello), mimimycin (Mimi), musettamycin (Musetta), rudolphomycin (Rodolfo) and schaunardimycin (Schaunard). However, the relationships between the characters do not correctly
Mimi Vitzthumb Mimi Vitzthumb Anne-Marie "Mimi" Vitzthumb (died after 1777) was an opera singer and stage actress. She was engaged at the La Monnaie in Brussels in the Austrian Netherlands in 1772-1777, where she belonged to the elite of the stage attractions of her time. She was the daughter of theater director Ignaz Vitzthumb, sister of the opera singer Marie-Francoise Vitzthumb, married to the opera singer Henri Mees (1757-1820) and mother of the composer Joseph-Henri Mees. Being bilangual, she played a number of main roles in both the French language Opéra francaise and the Flemish languagen Opéra flamand at the Monnaie stage.