0 B8R0.5 CCOC(=O)CC(=O)[O-] c02712 [2,0,0,0,0,0|0,0,1]=3 1 B12R0.285 CCOC(=O)NCNC(=O)OCC c08339 [0,0,0,0,0,2|0,0,0]=2