https://webbook.nist.gov/cgi/inchi/InChI%3D1S/C21H34O2/c1-6-19(2)13-10-16-15(14-19)8-9-17-20(16%2C3)11-7-12-21(17%2C4)18(22)23-5/h17H%2C6-14H2%2C1-5H3
1-Phenanthrenecarboxylic acid, 7-ethyl-1,2,3,4,4a,5,6,7,8,9,10,10a-dodecahydro-1,4a,7-trimethyl-,...
https://webbook.nist.gov/cgi/inchi/InChI%3D1S/C21H32O2/c1-14(2)15-7-9-17-16(13-15)8-10-18-20(17%2C3)11-6-12-21(18%2C4)19(22)23-5/h13%2C17-18H%2C6-12H2%2C1-5H3/t17%3F%2C18%3F%2C20%3F%2C21-/m0/s1
1-Phenanthrenecarboxylic acid,...
acid