英文名称: | urea, n,n-bis(1,2,3,4-tetrahydro-3-hydroxy-5,8-dimethoxy-2-naphthalenyl)-n'-phe | n yl- | n,n-bis(1,2,3,4-tetrahydro-3-hydroxy-5,8-dimethoxy-2-naphthalenyl)-n'-ph enyl | n,n-bis(1,2,3,4-tetrahydro-3-hydroxy-5,8-dimethoxy-2-naphthalenyl)-n'-phen yl-ure |
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