Vajpayee, Vaishali; Moon, Mi Eun; Lee, Sunmi; Ravikumar, Sambandam; Kim, Hyunuk; Ahn, Byungchan; Choi, Seoyoon; Hong, Soon Ho; Chi, Ki-Whan Tetrahedron, 2013 , vol. 69, # 16 p. 3511 - 3517