Synonyms: (1ar,3as,9cs,9dr,11ar,11br)-7,8-dimethoxy-13-methyl-1a,2,3a,4,9c,9d,11,11a-octahydro-5h,10h-9b,11b-(ethanoiminomethano)-1,3-dioxa-5a-azacyclopropa[4,5]cyclohepta[1,2,3-cd]fluoranthene-5,10-dione;19,20alpha-epoxynovacine;AC1L4I11;KST-1A2881;AR-1A0746;NSC 34989