RES 1b:b-dxyl-PEN-1:5 2s:methyl 3b:a-dgal-HEX-1:5|6:d 4s:methyl 5s:methyl LIN 1:1o(2+1)2n 2:1o(3+1)3d 3:3o(2+1)4n 4:3o(3+1)5n