549-59-7 Arsenic acid (H3AsO4), compd with (8alpha,9R)-6'-methoxycinchonan-9-ol (2:3) Cinchonan-9-ol, 6'-methoxy-, (8alpha,9R)-, arsenate (3:2) (salt) EINECS 208-971-4 Quinine arsenate Tris((8alpha,9R)-6'-methoxycinchonan-9-ol) bis(arsenate)