Two androstane alkaloids were isolated from the musk of Moschus moschiferus. The structures were elucidated to be 3alpha-ureido-androst-4-en-17-one (1) and 3alpha-ureido-androst-4-en-17beta-ol (2) by two-dimensional NMR analysis (HMQC, 1H-1H COSY, HMBC, and NOESY).

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http://dx.doi.org/10.1248/cpb.50.663DOI Listing

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