The Correct Answer will be (b) Salvarsan as Arsphenamine, also referred to as Salvarsan or compound 606, is a drug that was introduced at the start of the 1910s because the initial effective treatment for syph, and was conjointly accustomed treat trypanosomiasis. This organoarsenic compound was the primary fashionable chemotherapeutical agent. All the best for AIPMT 2016 Exam.