angustific acid angustific acid angustific acid a and angustific acid b are antiviral compounds isolated from kadsura angustifolia. they are triterpenoids. angustific acids a and b names iupac names a:(2z)-6-octadec-7-en-7-yl]-2-methyl-2,6-heptadienoic acid b: (2z,6s)-6-cyclopropanaphthalen-1-yl]-6-hydroxy-2-methyl-2-heptenoic acid identifiers 3d model (jsmol) a: interactive imageb: interactive image chembl a: chembl1669428b: chembl1669429 chemspider a: 26389056b: 26387137 pubchem cid a: 53325465b: 51003481 inchi a: inchi=1s/c30h40o4/c1-18(2)22-16-23-25-28(6)12-10-21(19(3)8-7-9-20(4)26(32)33)27(28,5)14-15-30(25)17-29(22,30)13-11-24(31)34-23/h9-10,22-23,25h,1,3,7-8,11-17h2,2,4-6h3,(h,32,33)/b20-9-/t22-,23-,25+,27-,28+,29-,30+/m1/s1key: oebcopkbnagzev-pnvfsjbdsa-nb: inchi=1s/c30h44o7/c1-17(2)19-14-20(31)24-28(6)22(32)15-21(27(5,37)10-7-8-18(3)25(35)36)26(28,4)12-13-30(24)16-29(19,30)11-9-23(33)34/h8,15,19-20,22,24,31-32,37h,1,7,9-14,16h2,2-6h3,(h,33,34)(h,35,36)/b18-8-/t19-,20-,22-,24-,26+,27-,28-,29+,30-/m0/s1key: mhucdsjuecuysy-otebzqevsa-n smiles a: cc(=c)1c234(cc=c(4(cc351(c5)ccc(=o)o2)c)c(=c)cc/c=c(/c)\c(=o)o)cb: cc(=c)1c(23((c=c(3(cc241(c4)ccc(=o)o)c)(c)(cc/c=c(/c)\c(=o)o)o)o)c)o properties chemical formula a: c30h40o4 b:c30h44o7 molar mass a: 464.64 g/mol b: 516.67 g/mol except where otherwise noted, data are given for materials in their standard state (at 25 °c , 100 kpa). infobox references