Prontosil
/ˈprɒntəsɪl/noun
mass noun
- Medicine, historical the first sulphonamide antibiotic, a reddish-brown crystalline pigment formerly used to treat a range of infections【医】〈史〉百浪多息（最早的磺胺嘧啶类抗生素）。
词源
1930s: from German，an invented proprietary name.