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Kawamura, Atsushi; Kita, Masaki; Kigoshi, Hideo . (2015). Aplysiasecosterol A: A 9,11-Secosteroid with an Unprecedented Tricyclic γ-Diketone Structure from the Sea Hare <i>Aplysia kurodai</i>. Angewandte Chemie International Edition, 54(24), 7073–7076. doi:10.1002/anie.201501749 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research