1,4-Bis[[(8α,9R)-10,11-dihydro-6′-methoxycinchonan-9-yl]oxy]-9,10-anthracenedione176097-24-844 % similar 6-Methoxy-4-methylquinoline41037-26-735 % similar (+)-1-Benzylcinchoninium chloride69221-14-334 % similar (-)-1-Benzylcinchonidinium chloride69257-04-134 % similar