Complex sentence: He was a pharmacist and as such searched for a cure to counteract this addiction, he began experimenting with coca and coca wines, eventually creating his own version of Vin Mariani, containing kola nut and damiana, which he called Pemberton's French Wine Coca.
Split into simpler sentences: He was a pharmacist and as such searched for a cure to counteract this addiction. He began experimenting with coca and coca wines, eventually creating his own version of Vin Mariani, containing kola nut and damiana, which he called Pemberton's French Wine Coca.