Classification Term: 170902
Abeolupane triterpenoids (ontology term: 64efb1622cb7bdcab24c6865708a2777)
found 42 associated metabolites at sub_class metabolite taxonomy ontology rank level.
Ancestor: Triterpenoids
Child Taxonomies: There is no child term of current ontology term.
Ceanothic acid
16-hydroxy-1,2,14,17,17-pentamethyl-8-(prop-1-en-2-yl)pentacyclo[11.7.0.0²,¹⁰.0⁵,⁹.0¹⁴,¹⁸]icosane-5,15-dicarboxylic acid
Ceanothic acid is found in fruits. Ceanothic acid is a constituent of Ceanothus americanus (New Jersey tea) and Zizyphus jujuba (Chinese date).
Colubrinic acid
15-formyl-16-hydroxy-1,2,14,17,17-pentamethyl-8-(prop-1-en-2-yl)pentacyclo[11.7.0.0²,¹⁰.0⁵,⁹.0¹⁴,¹⁸]icosane-5-carboxylic acid
Colubrinic acid is found in fruits. Colubrinic acid is a constituent of Zizyphus jujuba (Chinese date). Constituent of Zizyphus jujuba (Chinese date). Colubrinic acid is found in fruits.
15-formyl-16-hydroxy-1,2,14,17,17-pentamethyl-8-(prop-1-en-2-yl)pentacyclo[11.7.0.0²,¹⁰.0⁵,⁹.0¹⁴,¹⁸]icosane-5-carboxylic acid
15-formyl-16-hydroxy-1,2,14,17,17-pentamethyl-8-(prop-1-en-2-yl)pentacyclo[11.7.0.0²,¹⁰.0⁵,⁹.0¹⁴,¹⁸]icosane-5-carboxylic acid
Breynceanothanolic acid
Breynceanothanolic acid
A triterpenoid of the nor-ceanothane-type isolated from the roots of Breynia fruticosa and has been shown to exhibit cytotoxicity against human cancer cell lines.
(1s,2r,5r,6s,9r,10r,13r,14r,15r,18s)-6-(hydroxymethyl)-2,6,9-trimethyl-15-(prop-1-en-2-yl)pentacyclo[11.7.0.0²,¹⁰.0⁵,⁹.0¹⁴,¹⁸]icos-7-ene-1,18-dicarboxylic acid
(1s,2r,5r,6s,9r,10r,13r,14r,15r,18s)-6-(hydroxymethyl)-2,6,9-trimethyl-15-(prop-1-en-2-yl)pentacyclo[11.7.0.0²,¹⁰.0⁵,⁹.0¹⁴,¹⁸]icos-7-ene-1,18-dicarboxylic acid
6-(hydroxymethyl)-2,6,9-trimethyl-15-(prop-1-en-2-yl)pentacyclo[11.7.0.0²,¹⁰.0⁵,⁹.0¹⁴,¹⁸]icos-7-ene-1,18-dicarboxylic acid
6-(hydroxymethyl)-2,6,9-trimethyl-15-(prop-1-en-2-yl)pentacyclo[11.7.0.0²,¹⁰.0⁵,⁹.0¹⁴,¹⁸]icos-7-ene-1,18-dicarboxylic acid
16-hydroxy-17-(hydroxymethyl)-1,2,14,17-tetramethyl-8-(prop-1-en-2-yl)pentacyclo[11.7.0.0²,¹⁰.0⁵,⁹.0¹⁴,¹⁸]icosane-5,15-dicarboxylic acid
16-hydroxy-17-(hydroxymethyl)-1,2,14,17-tetramethyl-8-(prop-1-en-2-yl)pentacyclo[11.7.0.0²,¹⁰.0⁵,⁹.0¹⁴,¹⁸]icosane-5,15-dicarboxylic acid
7-hydroxy-2,6,6,9-tetramethyl-15-(prop-1-en-2-yl)pentacyclo[11.7.0.0²,¹⁰.0⁵,⁹.0¹⁴,¹⁸]icosane-1,8,18-tricarboxylic acid
7-hydroxy-2,6,6,9-tetramethyl-15-(prop-1-en-2-yl)pentacyclo[11.7.0.0²,¹⁰.0⁵,⁹.0¹⁴,¹⁸]icosane-1,8,18-tricarboxylic acid
10-hydroxy-4,5,9,9,13-pentamethyl-19-(prop-1-en-2-yl)-20-oxahexacyclo[17.2.2.0¹,¹⁸.0⁴,¹⁷.0⁵,¹⁴.0⁸,¹³]tricosan-21-one
10-hydroxy-4,5,9,9,13-pentamethyl-19-(prop-1-en-2-yl)-20-oxahexacyclo[17.2.2.0¹,¹⁸.0⁴,¹⁷.0⁵,¹⁴.0⁸,¹³]tricosan-21-one
methyl (1r,2r,5r,8r,9r,10s,13s,14s,15s,16r,18r)-15-formyl-16-hydroxy-1,2,14,17,17-pentamethyl-8-(prop-1-en-2-yl)pentacyclo[11.7.0.0²,¹⁰.0⁵,⁹.0¹⁴,¹⁸]icosane-5-carboxylate
methyl (1r,2r,5r,8r,9r,10s,13s,14s,15s,16r,18r)-15-formyl-16-hydroxy-1,2,14,17,17-pentamethyl-8-(prop-1-en-2-yl)pentacyclo[11.7.0.0²,¹⁰.0⁵,⁹.0¹⁴,¹⁸]icosane-5-carboxylate
(1r,2r,5s,8r,9r,10r,13r,14r,15r,16r,18r)-16-hydroxy-15-(hydroxymethyl)-1,2,14,17,17-pentamethyl-8-(prop-1-en-2-yl)pentacyclo[11.7.0.0²,¹⁰.0⁵,⁹.0¹⁴,¹⁸]icosane-5-carboxylic acid
(1r,2r,5s,8r,9r,10r,13r,14r,15r,16r,18r)-16-hydroxy-15-(hydroxymethyl)-1,2,14,17,17-pentamethyl-8-(prop-1-en-2-yl)pentacyclo[11.7.0.0²,¹⁰.0⁵,⁹.0¹⁴,¹⁸]icosane-5-carboxylic acid
(1r,2r,5s,8r,9r,10r,13s,14s,18s)-15-formyl-1,2,14,17,17-pentamethyl-8-(prop-1-en-2-yl)pentacyclo[11.7.0.0²,¹⁰.0⁵,⁹.0¹⁴,¹⁸]icos-15-ene-5-carboxylic acid
(1r,2r,5s,8r,9r,10r,13s,14s,18s)-15-formyl-1,2,14,17,17-pentamethyl-8-(prop-1-en-2-yl)pentacyclo[11.7.0.0²,¹⁰.0⁵,⁹.0¹⁴,¹⁸]icos-15-ene-5-carboxylic acid
(1r,2r,5s,8r,9s,10r,13r,14r,15s,16r,18r)-15-formyl-16-hydroxy-1,2,14,17,17-pentamethyl-8-(prop-1-en-2-yl)pentacyclo[11.7.0.0²,¹⁰.0⁵,⁹.0¹⁴,¹⁸]icosane-5-carboxylic acid
(1r,2r,5s,8r,9s,10r,13r,14r,15s,16r,18r)-15-formyl-16-hydroxy-1,2,14,17,17-pentamethyl-8-(prop-1-en-2-yl)pentacyclo[11.7.0.0²,¹⁰.0⁵,⁹.0¹⁴,¹⁸]icosane-5-carboxylic acid
1-[(3r,3ar,4s,5ar,5br,7ar,9s,11ar,11br,13r,13ar,13br)-4,9,13-trihydroxy-3,5a,5b,8,8,11a,13b-heptamethyl-tetradecahydro-1h-cyclopenta[a]chrysen-3-yl]ethanone
1-[(3r,3ar,4s,5ar,5br,7ar,9s,11ar,11br,13r,13ar,13br)-4,9,13-trihydroxy-3,5a,5b,8,8,11a,13b-heptamethyl-tetradecahydro-1h-cyclopenta[a]chrysen-3-yl]ethanone
15-formyl-1,2,14,17,17-pentamethyl-8-(prop-1-en-2-yl)pentacyclo[11.7.0.0²,¹⁰.0⁵,⁹.0¹⁴,¹⁸]icos-15-ene-5-carboxylic acid
15-formyl-1,2,14,17,17-pentamethyl-8-(prop-1-en-2-yl)pentacyclo[11.7.0.0²,¹⁰.0⁵,⁹.0¹⁴,¹⁸]icos-15-ene-5-carboxylic acid
(1r,2s,5s,8r,9r,10r,13r,14r,15r,16s,18r)-16-hydroxy-2-(hydroxymethyl)-1,14,17,17-tetramethyl-8-(prop-1-en-2-yl)pentacyclo[11.7.0.0²,¹⁰.0⁵,⁹.0¹⁴,¹⁸]icosane-5,15-dicarboxylic acid
(1r,2s,5s,8r,9r,10r,13r,14r,15r,16s,18r)-16-hydroxy-2-(hydroxymethyl)-1,14,17,17-tetramethyl-8-(prop-1-en-2-yl)pentacyclo[11.7.0.0²,¹⁰.0⁵,⁹.0¹⁴,¹⁸]icosane-5,15-dicarboxylic acid
(1r,2r,5s,8r,9r,10r,13s,14r,15r,16s,18r)-16-hydroxy-1,2,14,17,17-pentamethyl-8-(prop-1-en-2-yl)pentacyclo[11.7.0.0²,¹⁰.0⁵,⁹.0¹⁴,¹⁸]icosane-5,15-dicarboxylic acid
(1r,2r,5s,8r,9r,10r,13s,14r,15r,16s,18r)-16-hydroxy-1,2,14,17,17-pentamethyl-8-(prop-1-en-2-yl)pentacyclo[11.7.0.0²,¹⁰.0⁵,⁹.0¹⁴,¹⁸]icosane-5,15-dicarboxylic acid
16-hydroxy-2-(hydroxymethyl)-1,14,17,17-tetramethyl-8-(prop-1-en-2-yl)pentacyclo[11.7.0.0²,¹⁰.0⁵,⁹.0¹⁴,¹⁸]icosane-5,15-dicarboxylic acid
16-hydroxy-2-(hydroxymethyl)-1,14,17,17-tetramethyl-8-(prop-1-en-2-yl)pentacyclo[11.7.0.0²,¹⁰.0⁵,⁹.0¹⁴,¹⁸]icosane-5,15-dicarboxylic acid
(1s,2r,5s,9s,10r,13r,14r,15r,18s)-2,6,6,9-tetramethyl-15-(prop-1-en-2-yl)pentacyclo[11.7.0.0²,¹⁰.0⁵,⁹.0¹⁴,¹⁸]icos-7-ene-1,18-dicarboxylic acid
(1s,2r,5s,9s,10r,13r,14r,15r,18s)-2,6,6,9-tetramethyl-15-(prop-1-en-2-yl)pentacyclo[11.7.0.0²,¹⁰.0⁵,⁹.0¹⁴,¹⁸]icos-7-ene-1,18-dicarboxylic acid
methyl 10-(4-methoxybenzoyloxy)-4,5,9,9,12-pentamethyl-20-oxo-18-(prop-1-en-2-yl)-19-oxahexacyclo[16.2.2.0¹,¹⁷.0⁴,¹⁶.0⁵,¹³.0⁸,¹²]docosane-11-carboxylate
methyl 10-(4-methoxybenzoyloxy)-4,5,9,9,12-pentamethyl-20-oxo-18-(prop-1-en-2-yl)-19-oxahexacyclo[16.2.2.0¹,¹⁷.0⁴,¹⁶.0⁵,¹³.0⁸,¹²]docosane-11-carboxylate
methyl (1r,4r,5r,8s,10s,11s,12r,13r,16r,17r,18s)-10-(4-methoxybenzoyloxy)-4,5,9,9,12-pentamethyl-20-oxo-18-(prop-1-en-2-yl)-19-oxahexacyclo[16.2.2.0¹,¹⁷.0⁴,¹⁶.0⁵,¹³.0⁸,¹²]docosane-11-carboxylate
methyl (1r,4r,5r,8s,10s,11s,12r,13r,16r,17r,18s)-10-(4-methoxybenzoyloxy)-4,5,9,9,12-pentamethyl-20-oxo-18-(prop-1-en-2-yl)-19-oxahexacyclo[16.2.2.0¹,¹⁷.0⁴,¹⁶.0⁵,¹³.0⁸,¹²]docosane-11-carboxylate
(1r,2r,5s,8r,9s,10r,13r,14r,15r,16s,18r)-16-hydroxy-1,2,14,17,17-pentamethyl-8-(prop-1-en-2-yl)pentacyclo[11.7.0.0²,¹⁰.0⁵,⁹.0¹⁴,¹⁸]icosane-5,15-dicarboxylic acid
(1r,2r,5s,8r,9s,10r,13r,14r,15r,16s,18r)-16-hydroxy-1,2,14,17,17-pentamethyl-8-(prop-1-en-2-yl)pentacyclo[11.7.0.0²,¹⁰.0⁵,⁹.0¹⁴,¹⁸]icosane-5,15-dicarboxylic acid
(3as,3br,5's,5ar,6r,7r,9as,9br,11as)-5'-methoxy-1,1,3a,9b-tetramethyl-6-(2-methylprop-1-en-1-yl)-2'-oxo-3b,4,5,5a,6,8,9,10,11,11a-decahydrospiro[cyclopenta[a]phenanthrene-7,3'-oxolane]-9a-carboxylic acid
(3as,3br,5's,5ar,6r,7r,9as,9br,11as)-5'-methoxy-1,1,3a,9b-tetramethyl-6-(2-methylprop-1-en-1-yl)-2'-oxo-3b,4,5,5a,6,8,9,10,11,11a-decahydrospiro[cyclopenta[a]phenanthrene-7,3'-oxolane]-9a-carboxylic acid
(1s,2r,5r,7s,8r,9r,10r,13r,14s,15r,18s)-7-hydroxy-2,6,6,9-tetramethyl-15-(prop-1-en-2-yl)pentacyclo[11.7.0.0²,¹⁰.0⁵,⁹.0¹⁴,¹⁸]icosane-1,8,18-tricarboxylic acid
(1s,2r,5r,7s,8r,9r,10r,13r,14s,15r,18s)-7-hydroxy-2,6,6,9-tetramethyl-15-(prop-1-en-2-yl)pentacyclo[11.7.0.0²,¹⁰.0⁵,⁹.0¹⁴,¹⁸]icosane-1,8,18-tricarboxylic acid
16-hydroxy-15-(hydroxymethyl)-1,2,14,17,17-pentamethyl-8-(prop-1-en-2-yl)pentacyclo[11.7.0.0²,¹⁰.0⁵,⁹.0¹⁴,¹⁸]icosane-5-carboxylic acid
16-hydroxy-15-(hydroxymethyl)-1,2,14,17,17-pentamethyl-8-(prop-1-en-2-yl)pentacyclo[11.7.0.0²,¹⁰.0⁵,⁹.0¹⁴,¹⁸]icosane-5-carboxylic acid
(1r,2r,5r,8r,9r,10s,13r,14s,15r,16s,18r)-16-hydroxy-1,2,14,17,17-pentamethyl-8-(prop-1-en-2-yl)pentacyclo[11.7.0.0²,¹⁰.0⁵,⁹.0¹⁴,¹⁸]icosane-5,15-dicarboxylic acid
(1r,2r,5r,8r,9r,10s,13r,14s,15r,16s,18r)-16-hydroxy-1,2,14,17,17-pentamethyl-8-(prop-1-en-2-yl)pentacyclo[11.7.0.0²,¹⁰.0⁵,⁹.0¹⁴,¹⁸]icosane-5,15-dicarboxylic acid
(3as,3br,5'r,5ar,6r,7r,9as,9br,11as)-5'-methoxy-1,1,3a,9b-tetramethyl-6-(2-methylprop-1-en-1-yl)-2'-oxo-3b,4,5,5a,6,8,9,10,11,11a-decahydrospiro[cyclopenta[a]phenanthrene-7,3'-oxolane]-9a-carboxylic acid
(3as,3br,5'r,5ar,6r,7r,9as,9br,11as)-5'-methoxy-1,1,3a,9b-tetramethyl-6-(2-methylprop-1-en-1-yl)-2'-oxo-3b,4,5,5a,6,8,9,10,11,11a-decahydrospiro[cyclopenta[a]phenanthrene-7,3'-oxolane]-9a-carboxylic acid
(1r,2r,5s,8r,14r,15s,16r,18r)-15-formyl-16-hydroxy-1,2,14,17,17-pentamethyl-8-(prop-1-en-2-yl)pentacyclo[11.7.0.0²,¹⁰.0⁵,⁹.0¹⁴,¹⁸]icosane-5-carboxylic acid
(1r,2r,5s,8r,14r,15s,16r,18r)-15-formyl-16-hydroxy-1,2,14,17,17-pentamethyl-8-(prop-1-en-2-yl)pentacyclo[11.7.0.0²,¹⁰.0⁵,⁹.0¹⁴,¹⁸]icosane-5-carboxylic acid
(1r,2r,5s,8r,14s,18s)-15-formyl-1,2,14,17,17-pentamethyl-8-(prop-1-en-2-yl)pentacyclo[11.7.0.0²,¹⁰.0⁵,⁹.0¹⁴,¹⁸]icos-15-ene-5-carboxylic acid
(1r,2r,5s,8r,14s,18s)-15-formyl-1,2,14,17,17-pentamethyl-8-(prop-1-en-2-yl)pentacyclo[11.7.0.0²,¹⁰.0⁵,⁹.0¹⁴,¹⁸]icos-15-ene-5-carboxylic acid
(1r,2r,5s,8r,9r,10s,13s,14r,15s,16r,18s)-16-hydroxy-1,2,14,17,17-pentamethyl-8-(prop-1-en-2-yl)pentacyclo[11.7.0.0²,¹⁰.0⁵,⁹.0¹⁴,¹⁸]icosane-5,15-dicarboxylic acid
(1r,2r,5s,8r,9r,10s,13s,14r,15s,16r,18s)-16-hydroxy-1,2,14,17,17-pentamethyl-8-(prop-1-en-2-yl)pentacyclo[11.7.0.0²,¹⁰.0⁵,⁹.0¹⁴,¹⁸]icosane-5,15-dicarboxylic acid
(1r,2r,5s,8r,9r,10r,13r,14r,15s,16s,18r)-16-hydroxy-1,2,14,17,17-pentamethyl-8-(prop-1-en-2-yl)pentacyclo[11.7.0.0²,¹⁰.0⁵,⁹.0¹⁴,¹⁸]icosane-5,15-dicarboxylic acid
(1r,2r,5s,8r,9r,10r,13r,14r,15s,16s,18r)-16-hydroxy-1,2,14,17,17-pentamethyl-8-(prop-1-en-2-yl)pentacyclo[11.7.0.0²,¹⁰.0⁵,⁹.0¹⁴,¹⁸]icosane-5,15-dicarboxylic acid
(1s,2r,5r,7s,8r,9r,10r,13r,14s,15r,18s)-7-hydroxy-2,6,6,9-tetramethyl-15-(prop-1-en-2-yl)-18-({[(2s,3r,4s,5s,6r)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}carbonyl)pentacyclo[11.7.0.0²,¹⁰.0⁵,⁹.0¹⁴,¹⁸]icosane-1,8-dicarboxylic acid
(1s,2r,5r,7s,8r,9r,10r,13r,14s,15r,18s)-7-hydroxy-2,6,6,9-tetramethyl-15-(prop-1-en-2-yl)-18-({[(2s,3r,4s,5s,6r)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}carbonyl)pentacyclo[11.7.0.0²,¹⁰.0⁵,⁹.0¹⁴,¹⁸]icosane-1,8-dicarboxylic acid
(3as,3br,5ar,6r,7r,9as,9br,11as)-5'-hydroxy-1,1,3a,9b-tetramethyl-6-(2-methylprop-1-en-1-yl)-2'-oxo-3b,4,5,5a,6,8,9,10,11,11a-decahydrospiro[cyclopenta[a]phenanthrene-7,3'-oxolane]-9a-carboxylic acid
(3as,3br,5ar,6r,7r,9as,9br,11as)-5'-hydroxy-1,1,3a,9b-tetramethyl-6-(2-methylprop-1-en-1-yl)-2'-oxo-3b,4,5,5a,6,8,9,10,11,11a-decahydrospiro[cyclopenta[a]phenanthrene-7,3'-oxolane]-9a-carboxylic acid
8-(hydroxymethyl)-2,6,6,9-tetramethyl-15-(prop-1-en-2-yl)pentacyclo[11.7.0.0²,¹⁰.0⁵,⁹.0¹⁴,¹⁸]icosane-1,18-dicarboxylic acid
8-(hydroxymethyl)-2,6,6,9-tetramethyl-15-(prop-1-en-2-yl)pentacyclo[11.7.0.0²,¹⁰.0⁵,⁹.0¹⁴,¹⁸]icosane-1,18-dicarboxylic acid
(1s,2r,5s,8r,9s,10r,13r,14r,15r,18s)-8-(hydroxymethyl)-2,6,6,9-tetramethyl-15-(prop-1-en-2-yl)pentacyclo[11.7.0.0²,¹⁰.0⁵,⁹.0¹⁴,¹⁸]icosane-1,18-dicarboxylic acid
(1s,2r,5s,8r,9s,10r,13r,14r,15r,18s)-8-(hydroxymethyl)-2,6,6,9-tetramethyl-15-(prop-1-en-2-yl)pentacyclo[11.7.0.0²,¹⁰.0⁵,⁹.0¹⁴,¹⁸]icosane-1,18-dicarboxylic acid
(1r,4r,5r,8r,10r,13r,14r,17r,18r,19s)-10-hydroxy-4,5,9,9,13-pentamethyl-19-(prop-1-en-2-yl)-20-oxahexacyclo[17.2.2.0¹,¹⁸.0⁴,¹⁷.0⁵,¹⁴.0⁸,¹³]tricosan-21-one
(1r,4r,5r,8r,10r,13r,14r,17r,18r,19s)-10-hydroxy-4,5,9,9,13-pentamethyl-19-(prop-1-en-2-yl)-20-oxahexacyclo[17.2.2.0¹,¹⁸.0⁴,¹⁷.0⁵,¹⁴.0⁸,¹³]tricosan-21-one
(1r,2r,5s,8r,9r,10r,13r,14r,15s,16s,18r)-15-formyl-16-hydroxy-1,2,14,17,17-pentamethyl-8-(prop-1-en-2-yl)pentacyclo[11.7.0.0²,¹⁰.0⁵,⁹.0¹⁴,¹⁸]icosane-5-carboxylic acid
(1r,2r,5s,8r,9r,10r,13r,14r,15s,16s,18r)-15-formyl-16-hydroxy-1,2,14,17,17-pentamethyl-8-(prop-1-en-2-yl)pentacyclo[11.7.0.0²,¹⁰.0⁵,⁹.0¹⁴,¹⁸]icosane-5-carboxylic acid
(1s,2r,5r,7s,8r,9r,10r,13r,14r,15r,18s)-7-hydroxy-2,6,6,9-tetramethyl-15-(prop-1-en-2-yl)pentacyclo[11.7.0.0²,¹⁰.0⁵,⁹.0¹⁴,¹⁸]icosane-1,8,18-tricarboxylic acid
(1s,2r,5r,7s,8r,9r,10r,13r,14r,15r,18s)-7-hydroxy-2,6,6,9-tetramethyl-15-(prop-1-en-2-yl)pentacyclo[11.7.0.0²,¹⁰.0⁵,⁹.0¹⁴,¹⁸]icosane-1,8,18-tricarboxylic acid
methyl 15-formyl-16-hydroxy-1,2,14,17,17-pentamethyl-8-(prop-1-en-2-yl)pentacyclo[11.7.0.0²,¹⁰.0⁵,⁹.0¹⁴,¹⁸]icosane-5-carboxylate
methyl 15-formyl-16-hydroxy-1,2,14,17,17-pentamethyl-8-(prop-1-en-2-yl)pentacyclo[11.7.0.0²,¹⁰.0⁵,⁹.0¹⁴,¹⁸]icosane-5-carboxylate
(1r,2r,5s,8r,9r,10s,13s,14r,15r,16s,18r)-15-formyl-16-hydroxy-1,2,14,17,17-pentamethyl-8-(prop-1-en-2-yl)pentacyclo[11.7.0.0²,¹⁰.0⁵,⁹.0¹⁴,¹⁸]icosane-5-carboxylic acid
(1r,2r,5s,8r,9r,10s,13s,14r,15r,16s,18r)-15-formyl-16-hydroxy-1,2,14,17,17-pentamethyl-8-(prop-1-en-2-yl)pentacyclo[11.7.0.0²,¹⁰.0⁵,⁹.0¹⁴,¹⁸]icosane-5-carboxylic acid