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Sscorpionine synthesis. Chemical synthesis of Sscorpionine own Mixtures Public Domain PD Reference From Hnig's Base to Bis dithiolo thiazines in One Pot The Fast Route to Highly Sulfurated Heterocycles Rees Carlos Marcos Cecilia Polo Toms Torroba Oleg Rakitin Angewandte Chemie International Edition Volume Issue Pages interscience