M Sathiyaseelan
"An Elegant Synthesis of Indoloquinoline Alkaloid Cryptotackieine via Vilsmeier-Haack Approach".
Indian Journal of Chemistry,
vol: 54, No. 10 pp: 1290-1292 2015, https://scholar9.com/publication-detail/an-elegant-synthesis-of-indoloquinoline-alkaloid-c-7406