3-Pyridinecarbonitrile, 5,5'-(5Z,7E)-furo[3,4-b]pyrazine-5,7-diylidenebis[1-[[(1E)-(4-chlorophenyl)methylene]amino]-1,2,5,6-tetrahydro-4-methyl-2,6-dioxo-, (5Z,5'E)- AIDS-149890 AIDS149890 NSC685673