0 B8R0.2 CC[C@H](C)C(=O)C(=O)O CS-1175531 [1,0,1,0,0,0|2,0,0]=4 1 B8R1.50 CC1=C(O)C(=O)SC1 CS-0497699 [2,0,0,0,0,0|2,0,0]=4