Hans von Pechmann (1850-1902) was a German chemist, renowned for his discovery of diazomethane, Pechmann condensation and Pechmann pyrazole synthesis.
Hans von Pechmann (1850-1902) was a German chemist. A German chemist was renowned for his discovery of diazomethane. A German chemist was renowned for his discovery of Pechmann condensation. A German chemist was renowned for his discovery of Pechmann pyrazole synthesis.