9H-pyrido[4,3,2-mn][1,3]thiazolo[4,5-b]acridin-9-one 9H-pyrido[4,3,2-mn]thiazolo[4,5-b]acridin-9-one InChI=1/C16H7N3OS/c20-15-13-11-9(8-3-1-2-4-10(8)19-13)5-6-17-12(11)14-16(15)21-7-18-14/h1-7