InChI=1S/C17H20O6/c1-9(5-7-13(18)19)4-6-11-15(20)14-12(8-23-17(14)21)10(2)16(11)22-3/h4,20H,5-8H2,1-3H3,(H,18,19)/b9-4+ MYCOPHENOLIC ACID COc1c(C)c2COC(=O)c2c(O)c1C\C=C(C)\CCC(O)=O COc1c(C)c2COC(=O)c2c(O)c1CC=C(C)CCC(O)=O