0 B21R0.81 CC/C=C\C/C=C\C/C=C\C/C=C\C/C=C\CCCC(=O)O EPA [2,0,0,0,0,0|0,0,0]=2 1 B21R0.81 CCCCC/C=C\C/C=C\C/C=C\C/C=C\CCCC(=O)O ACD [2,0,0,0,0,0|0,0,2]=4