InChI=1S/C18H21NO4.ClH/c20-17(15-4-2-1-3-5-15)13-19-10-11-23-16-8-6-14(7-9-16)12-18(21)22;/h1-9,17,19-20H,10-13H2,(H,21,22);1H/t17-;/m0./s1