0 B22R2.23904728 Cn1cnc2c1c(=O)n(c(=O)n2C)CC(=O)NCC(=O)O CSC057261899 [0,1,0,0,0,0|2,0,1]=4 1 B23R2.39379977 Cn1cnc2c1c(=O)n(c(=O)n2C)CC(=O)NCCC(=O)O CSC057105274 [0,1,0,0,0,1|1,0,1]=4