[CH2](O)[C@@H](O1)[C@@H](O)[C@H](O)[C@@H](N)[C@H](O)1121220onoodo [CH2](O)[C@@H](O1)[C@@H](O)[C@H](O)[C@@H](N)[C@@H](O)1221220onoodo [CH2](O)[C@@H](O1)[C@@H](O)[C@H](O)[C@@H](N)[CH](O)1x21220onoodo 3 variants possible; use an icon →x21220?no??o 2 variants possible; use an icon →121220?no??o 2 variants possible; use an icon →221220?no??o 2 variants possible; use an icon →343440onoodo 4 variants possible; use an icon →343440?no??o 2 variants possible; use an icon →x43440onoodo 2 variants possible; use an icon →443440onoodo 6 variants possible; use an icon →x43440?no??o 4 variants possible; use an icon →443440?no??o [CH2](O)[C@H](O1)[C@H](O)[C@@H](O)[C@H](N)[C@H](O)1112110onoodo [CH2](O)[C@H](O1)[C@H](O)[C@@H](O)[C@H](N)[C@@H](O)1212110onoodo