[A][B]3/[C][D]2[\mathrm{A}][\mathrm{B}]^{3} /[\mathrm{C}][\mathrm{D}]^{2}[A][B]3/[C][D]2
[C][D]2/[A][B]3[\mathrm{C}][\mathrm{D}]^{2} /[\mathrm{A}][\mathrm{B}]^{3}[C][D]2/[A][B]3
[A][3 B]/[C][2D][\mathrm{A}][3 \mathrm{~B}] /[\mathrm{C}][2 \mathrm{D}][A][3 B]/[C][2D]
None of the above \text { None of the above } None of the above
