“…Èçó÷àåìûå ñîåäèíåíèÿ áûëè ïîëó÷åíû îïèñàííûì ðàíåå ñïîñîáîì: 6-ãèäðîêñè-5,5-äèìåòèë-2-õëîð-5,6äèãèäðîïèðèäèí-3,4,4(1Í )-òðèêàðáîíèòðèë (1à) [9]; 6-áðîì-2-ìåòîêñè-4,5-äèöèàíî-3,3-äèýòèë-1,2,3,4-òåòðàãèäðîïèðèäèí-4-êàðáîêñàìèä (1b) [11]; 1,8,8-òðèìåòèë-6-îêñî-3-õëîð-2,7-äèàçàáèöèêëî[3.2.1]îêò-3-åí-4,5-äèêàðáîíèòðèë (1c) [10]; 1-ìåòèë-6-îêñî-3-õëîð-2,7äèàçàáèöèêëî[3.2.1]îêò-3-åí-4,5-äèêàðáîíèòðèë (1d) è 2-îêñî-9-õëîð-10,11-äèàçàòðèöèêëî[5.3.2.0 1,6 ]äîäåê-8åí-7,8-äèêàðáîíèòðèë (2b) àíàëîãè÷íî 1ñ; 6-ìåòîêñè-5,5-äèìåòèë-2-õëîð-1,4,5,6-òåòðàãèäðîïèðèäèí-3,4,4(1Í )òðèêàðáîíèòðèë (1å) [11]; 6-ìåòîêñè-5,5,6-òðèìåòèë-2-õëîð-5,6-äèãèäðîïèðèäèí-3,4,4(1Í )-òðèêàðáîíèòðèë (1f) [12]; 2-áðîì-4à-ìåòèë-1,4,4à,5,6,7-ãåêñàãèäðîõèíîëèí-3,4,4-òðèêàðáîíèòðèë (2à) [13].…”