Aza-Michael reaction of 12- N -carboxamide of (–)-cytisine under high pressure conditions - Inna P. Tsypysheva; Alexander N. Lobov; Alena V. Kovalskaya; Polina R. Petrova; Sergey P. Ivanov; Shamil A. Rameev; Sophia S. Borisevich; Rustam L. Safiullin; Marat S. Yunusov (Natural Product Research, 2015)