(((3-(((Dimethylamino)methoxy)carbothioyl)trisulfanyl)carbothioyl)oxy)-N,N-dimethylmethanamine AIDS-124271 AIDS124271 N,N-Dimethyl-N-(10-methyl-3,7-dithioxo-2,8-dioxa-4,5,6-trithia-10-azaundec-1-yl)amine NSC19692