rel-(2R,4S)-四氢-4-甲基-2-苯基-2H-吡喃CAS 149713-23-5J-704974-1C12H16O2H-Pyran, tetrahydro-4-methyl-2-phenyl-, (2R,4S)-rel-芳香烃0 家供应商 —查看详情