CCO[C@@H](CN(CC)CC)N(CC)CC mol3137 0_1 CCO[C@@H](C[NH+](CC)CC)N(CC)CC mol3137 1_1 CCO[C@@H](CN(CC)CC)[NH+](CC)CC mol3137 1_2 CCO[C@@H](C[NH+](CC)CC)[NH+](CC)CC mol3137 2_1