3-Methylthiophene-2-carbonitrile55406-13-831 % similar N-Methylacridone719-54-031 % similar Benzonitrile100-47-030 % similar 16,23-Dihydronaphth[2′,3′:6,7]indolo[2,3-c]dinaphtho[2,3-a:2′,3′-i]carbazole-5,10,15,17,22,24-hexone2475-33-430 % similar