[EN300-6497331-0.05g] spiro[bicyclo[2.2.1]heptane-2,1'-cyclobutane]-3'-one 507,545원
[EN300-6497331-0.1g] spiro[bicyclo[2.2.1]heptane-2,1'-cyclobutane]-3'-one 727,273원
[EN300-6497331-0.25g] spiro[bicyclo[2.2.1]heptane-2,1'-cyclobutane]-3'-one 1,012,364원
[EN300-6497331-0.5g] spiro[bicyclo[2.2.1]heptane-2,1'-cyclobutane]-3'-one 1,560,818원
[EN300-6497331-1g] spiro[bicyclo[2.2.1]heptane-2,1'-cyclobutane]-3'-one 1,982,636원
[EN300-6497331-2.5g] spiro[bicyclo[2.2.1]heptane-2,1'-cyclobutane]-3'-one 3,828,000원
[EN300-6497331-5g] spiro[bicyclo[2.2.1]heptane-2,1'-cyclobutane]-3'-one 5,635,727원
[EN300-6497331-10g] spiro[bicyclo[2.2.1]heptane-2,1'-cyclobutane]-3'-one 8,328,545원