0 B21R2.253921 NC(=O)c1ccc(nc1)NC(=O)c2ccc(o2)[N+](=O)[O-] LN00148472_AK0084_SC0145 [0,0,1,0,0,0|1,0,2]=4 1 B21R2.254911 NC(=O)c1cccc(c1)NC(=O)c2ccc(o2)[N+](=O)[O-] LN00144983_AK0084_SC0145 [0,0,1,0,0,0|3,0,0]=4