CCOC(=O)c1c(C)nc(C)c(C(=O)CC)c1C    mol33249    0_1
CCOC(=[OH+])c1c(C)nc(C)c(C(=O)CC)c1C    mol33249    1_1
CCOC(=O)c1c(C)[nH+]c(C)c(C(=O)CC)c1C    mol33249    1_2
CCOC(=O)c1c(C)nc(C)c(C(=[OH+])CC)c1C    mol33249    1_3