[EN300-331985-0.05g] rac-(1R,5S)-4-oxaspiro[bicyclo[3.2.0]heptane-6,1'-cyclobutane]-7-one + 442,900원
[EN300-331985-0.1g] rac-(1R,5S)-4-oxaspiro[bicyclo[3.2.0]heptane-6,1'-cyclobutane]-7-one + 625,800원
[EN300-331985-0.25g] rac-(1R,5S)-4-oxaspiro[bicyclo[3.2.0]heptane-6,1'-cyclobutane]-7-one + 865,400원
[EN300-331985-0.5g] rac-(1R,5S)-4-oxaspiro[bicyclo[3.2.0]heptane-6,1'-cyclobutane]-7-one + 1,327,200원
[EN300-331985-1g] rac-(1R,5S)-4-oxaspiro[bicyclo[3.2.0]heptane-6,1'-cyclobutane]-7-one + 1,684,300원
[EN300-331985-2.5g] rac-(1R,5S)-4-oxaspiro[bicyclo[3.2.0]heptane-6,1'-cyclobutane]-7-one + 3,232,800원
[EN300-331985-5g] rac-(1R,5S)-4-oxaspiro[bicyclo[3.2.0]heptane-6,1'-cyclobutane]-7-one + 4,753,100원
[EN300-331985-10g] rac-(1R,5S)-4-oxaspiro[bicyclo[3.2.0]heptane-6,1'-cyclobutane]-7-one + 7,016,000원