4-14-00-00954 (Beilstein Handbook Reference) 76129-11-8 BRN 3170982 Benzo(a)heptalen-9(5H)-one, 6,7-dihydro-7-(methylamino)-10-(methylthio)-1,2,3-trimethoxy-, (S)- NSC 221662 Thiodemecolcine