0 B20R2.2589 OCCOCCNC1CCCCC1C2CCCCC2 CSC043036527 [0,0,0,2,0,0|2,0,0]=4 1 B20R2.260162 CC1CCCCC1CNCC2CCCN2CCCO CSC090500136 [0,0,0,2,0,0|2,0,0]=4