0  B6R0.4  CC(=O)NCC=O FS023506 [1,0,0,0,0,0|2,0,1]=4
1  B6R0.4  CO\N=C\C(=O)O FS009311 [1,0,0,0,0,0|3,0,0]=4
2  B8R0.23  C[C@H](C(=O)O)NC(=O)C FS000602 [0,1,0,0,0,0|2,0,1]=4
3  B5R0.5  C(=O)(C(=O)O)O FS029093 [0,0,0,0,2,0|0,0,0]=2