| O-DEMETHYL PELIGLITAZAR | O738TRO05J | chemical |
| O-DEMETHYL PELIGLITAZAR ACYL-BETA-D-GLUCURONIDE | 6UU4H3PMF8 | chemical |
| O-DEMETHYL PIMOBENDAN | 2PWG8BB816 | chemical |
| O-DEMETHYL RIVOGLITAZONE | I47BV0MWO5 | chemical |
| O-DEMETHYL-M-METHYL ORPHENADRINE | A40KR91PE2 | chemical |
| O-DEMETHYL-N-DEACETYL APREMILAST | 98Z99JE779 | chemical |
| O-DEMETHYL-N-DEACETYL APREMILAST-O-GLUCURONIDE | MZP23HH05I | chemical |
| O-DEMETHYL-N-DEACETYL-N-HYDROXYACETYL APREMILAST | P08G661IRZ | chemical |
| O-DEMETHYLDEACETYLDILTIAZEM | JWM585056U | chemical |
| O-DEMETHYLDEACETYLDILTIAZEM HYDROCHLORIDE | V659K56BCX | chemical |
| O-DEMETHYLMETOPROLOL | 9977TAV7FG | chemical |
| O-DEMETHYLMETOPROLOL, (+)- | 6A1LL8OI12 | chemical |
| O-DEMETHYLMETOPROLOL, (-)- | GG6M992BM5 | chemical |
| O-DESETHYL SILDENAFIL | 2TEH1FB1FX | chemical |
| O-DESETHYL-BELNACASAN | Q257O24H4J | chemical |
| O-DESETHYL-O-METHYL PERINDOPRIL | PPJ3B822CZ | chemical |
| O-DESETHYL-SELADELPAR | QR46LUN3MI | chemical |
| O-DESHYDROXYETHYL BOSENTAN | 9B7A5GJ8V8 | chemical |
| O-DESMETHYL ALISERTIB | 8NJ4N1L7PN | chemical |
| O-DESMETHYL BETRIXABAN | J86KUA84SP | chemical |
| O-DESMETHYL DACOMITINIB | FSU0C3644U | chemical |
| O-DESMETHYL GALANTAMINE O-SULFATE | 6UF6U93C58 | chemical |
| O-DESMETHYL GEFITINIB | 53LPA3P6SI | chemical |
| O-DESMETHYL METOCLOPRAMIDE | P5DX3Q3OG4 | chemical |
| O-DESMETHYL MYCOPHENOLATE MOFETIL | L8329PU63Z | chemical |
| O-DESMETHYL PIBRENTASVIR | UF714AA4Y7 | chemical |
| O-DESMETHYL PRILOCAINE | E67THD334O | chemical |
| O-DESMETHYL PRUCALOPRIDE ACID | HTJ7LWU0OZ | chemical |
| O-DESMETHYL RANOLAZINE | 0G2S752Q5J | chemical |
| O-DESMETHYL TRAMADOL HYDROCHLORIDE | XL5VDC061E | chemical |
| O-DESMETHYL-BRINZOLAMIDE | 6MHY973FEJ | chemical |
| O-DESMETHYL-CERIVASTATIN | OH43LBZISH | chemical |
| O-DESMETHYL-EPIGALANTAMINE | KHF25P7J35 | chemical |
| O-DESMETHYL-EPIGALANTAMINE GLUCURONIDE | CGC7CQT3LU | chemical |
| O-DESMETHYL-GALANTAMINE GLUCURONIDE | XX89R6HA54 | chemical |
| O-DESMETHYLANGOLENSIN | SCY1S10OK4 | chemical |
| O-DESMETHYLCARVEDILOL | W0HIU4LI95 | chemical |
| O-DESMETHYLCARVEDILOL, (R)-(+)- | JEO2YZM5BM | chemical |
| O-DESMETHYLCARVEDILOL, (S)-(-)- | 315AAB7J5Z | chemical |
| O-DESMETHYLENCAINIDE | XQU4S7N0AH | chemical |
| O-DESMETHYLLEVOMEPROMAZINE | V733M3B2V5 | chemical |
| O-DESMETHYLLEVOMEPROMAZINE GLUCURONIDE | 8N9J2386TZ | chemical |
| O-DESMETHYLMETHOXYPHENAMINE | 81J0X6498G | chemical |
| O-DESMETHYLMETHOXYPHENAMINE HYDROCHLORIDE | 0EMF27N75N | chemical |
| O-DESMETHYLPYRILAMINE | 1Y08G6FBJ2 | chemical |
| O-DESULFO METHYL MICAFUNGIN | EVG3RH3PD5 | chemical |
| O-DIANISIDINE DIHYDROCHLORIDE | QV96QA6UKK | chemical |
| O-DIANISIDINE HYDROCHLORIDE | C260JGR81J | chemical |
| O-DIBENZO(B,F)(1,4)THIAZEPINYL QUETIAPINE | 6A7XK31L4X | chemical |
| O-DICYCLOHEXYLBENZENE | K2ZZ60X3E4 | chemical |