N-Formyldemecolcine

(S)-6,7-Dihydro-1,2,3,10-tetramethoxy-7-(methylformylamino)benzo[a]heptalene-9(5H)-one

(S)-7-(N-Methyl-N-formylamino)-6,7-dihydro-1,2,3,10-tetramethoxybenzo[a]heptalen-9(5H)-one