
- Name:Syncarpin
- Cas:65653-67-0
- Formula:C19H18O4
- Synonyms:6-Chromen-2-ylidene-2,2,4,4-tetramethyl-cyclohexane-1,3,5-trione;emorydone;syncarpin;

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- Name:Ovalitnin B
- Cas:64280-21-3
- Formula:C19H18O4
- Synonyms:3-Methoxy-1-(4-methoxy-benzofuran-5-yl)-3-phenyl-propan-1-one;




- Name:TanshinoneIIB
- Cas:17397-93-2
- Formula:C19H18O4
- Synonyms:Phenanthro[1,2-b]furan-10,11-dione,6,7,8,9-tetrahydro-6-(hydroxymethyl)-1,6-dimethyl-, (S)- (8CI); Tanshinone IIB(7CI); Tanshinon IIB

- Name:4H-6a,13-Epoxybenzo[f]naphth[1,8-bc]oxocin-1,9-diol,5,6,8,13-tetrahydro-5-methyl-, (5S,6aS,13R)- (9CI)
- Cas:168986-57-0
- Formula:C19H18O4
- Synonyms:4H-6a,13-Epoxybenzo[f]naphth[1,8-bc]oxocin-1,9-diol,5,6,8,13-tetrahydro-5-methyl-, [5S-(5a,6aa,13b)]-; Emycin F

- Name:anolignan A
- Cas:158081-97-1
- Formula:C19H18O4
- Synonyms:1,3-Benzenediol,4-[3-(1,3-benzodioxol-5-ylmethyl)-2-methylene-3-butenyl]- (9CI); Anolignan A;NSC 665937

- Name:hainanolide
- Cas:64761-48-4
- Formula:C19H18O4
- Synonyms:Harringtonolide;Hainanolide; [2aS-(2aa,2bb,3a,4ab,10aa,10bb,11R*)]-2a,3,4a,9,10,10b-Hexahydro-5,11-dimethyl-1H-3,10a-methano-2,4-dioxacyclohepta[bc]cyclopent[jk]acenaphthylene-1,7(2bH)-dione
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