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cas no:125-71-3 ||chemical formula:c18h25no ||molecular weight:271.40400 ||exact mass:271.19361 ||(4bs,8as,9s)-3-methoxy-11-methyl-6,7,8,8a,9,10-hexahydro-5h-9,……

cas no:125-73-5||chemical formula:c17h23no||molecular weight:257.37700||exact mass:257.17796||(4bs,8as,9s)-11-methyl-6,7,8,8a,9,10-hexahydro-5h-9,4b-(epiminoeth……

cas no:57969-05-8||chemical formula:c18h23no2||molecular weight:285.38700||exact mass:285.17288||(4bs,8as,9r)-3-methoxy-11-methyl-5,6,7,8,8a,9-hexahydro-10h-9,4……

cas no:1177494-18-6||chemical formula:c18h25no2||molecular weight:287.40300||exact mass:287.18853||(1s,9s,10s,17r)-4-methoxy-17-methyl-17-azatetracyclo[7.5.3.01……