摘要:Scientific Reports 5 : Article number: 11107; 10.1038/srep11107 published online: 10 June 2015 ; updated: 03 August 2015 This Article contains an error in Fig. 8b; where the results from the purification of 1 H NMR of tryptanthrin were incorrectly provided. The correct Fig. 8b appears below as Fig. 1 .