0 B12R0.140 CC(C)(C)OC(=O)NCCC(=O)O 019572 [2,0,0,0,0,0|1,0,0]=3 1 B12R0.140 CC(C)(C)OC(=O)NOCC(=O)O 236882 [2,0,0,0,0,0|2,0,0]=4