6,15-Dihydrodinaphtho[2,3-a:2',3'-h]phenazine-5,9,14,18-tetrone 81-77-6 AIDS-015517 AIDS015517 Anthraquinone blue C.I. 69800 C.I. Pigment Blue 60 C.I. Vat Blue 4 NSC47739 NSC652900