M.  Pandey, Chowdhury, P. S., Dutta, A. K., Kumar, P., and Pal, S., ?Retraction: a highly concise and practical route to clavaminols, sphinganine and (+)-spisulosine via indium mediated allylation of ?-hydrazino aldehyde and a theoretical insight into the stereochemical aspects of the reaction?, RSC Advances, vol. 9, no. 6, pp. 3336-3336 , 2019.