摩熵化学
数据库官网
小程序
打开微信扫一扫
首页 分子通 化学资讯 化学百科 反应查询 关于我们
请输入关键词
中文名称 英文名称 CAS号 化学式 结构式图片
—— (6,22-Dihydroxy-16-methoxy-5,7-dimethyl-18-oxo-25-oxa-19-azatetracyclo[12.9.2.015,19.020,24]pentacosa-1(24),4,10,12,20,22-hexaen-8-yl) 2-(2-methylpropanoylamino)propanoate —— C33H44N2O8
(6,22-Dihydroxy-16-methoxy-5,7-dimethyl-18-oxo-25-oxa-19-azatetracyclo[12.9.2.015,19.020,24]pentacosa-1(24),4,10,12,20,22-hexaen-8-yl) 2-(2-methylpropanoylamino)propanoate
—— 6,10,19-Trimethyl-22-[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-24-oxa-4-azaheptacyclo[12.12.0.02,11.04,9.015,25.018,23.019,25]hexacosane-10,12,13,14,23-pentol —— C33H53NO12
6,10,19-Trimethyl-22-[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-24-oxa-4-azaheptacyclo[12.12.0.02,11.04,9.015,25.018,23.019,25]hexacosane-10,12,13,14,23-pentol
—— 6-[2-(4-Methoxyphenyl)-2-oxoethoxy]-2-[(2,3,4-trimethoxyphenyl)methylidene]-1-benzofuran-3-one —— C27H24O8
6-[2-(4-Methoxyphenyl)-2-oxoethoxy]-2-[(2,3,4-trimethoxyphenyl)methylidene]-1-benzofuran-3-one
—— 6-acetyl-7,9-dihydroxy-2-[1-[[[5-(methoxymethyl)-1H-1,2,4-triazol-3-yl]-(4-methoxyphenyl)methyl]amino]ethylidene]-8,9b-dimethyldibenzofuran-1,3-dione —— C30H30N4O8
6-acetyl-7,9-dihydroxy-2-[1-[[[5-(methoxymethyl)-1H-1,2,4-triazol-3-yl]-(4-methoxyphenyl)methyl]amino]ethylidene]-8,9b-dimethyldibenzofuran-1,3-dione
—— 6-(2-(6,7-dimethoxy-3,4-dihydroisoquinolin-2(1H)-yl)-2-oxoethyl)-3,5-dimethyl-7H-furo[3,2-g]chromen-7-one —— C26H25NO6
6-(2-(6,7-dimethoxy-3,4-dihydroisoquinolin-2(1H)-yl)-2-oxoethyl)-3,5-dimethyl-7H-furo[3,2-g]chromen-7-one
—— 6-[3-[10-[5-[4,5-Dihydroxy-6-(hydroxymethyl)-3-(3,4,5-trihydroxyoxan-2-yl)oxyoxan-2-yl]oxy-4-hydroxy-3-[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyoxan-2-yl]oxy-5-hydroxy-4a-(hydroxymethyl)-2,6a,6b,9,9,12a-hexamethyl-1,3,4,5,6,6a,7,8,8a,10,11,12,13,14b-tetradecahydropicene-2-carbonyl]oxy-2-hydroxypropoxy]-3,4,5-trihydroxyoxane-2-carboxylic acid —— C61H98O31
6-[3-[10-[5-[4,5-Dihydroxy-6-(hydroxymethyl)-3-(3,4,5-trihydroxyoxan-2-yl)oxyoxan-2-yl]oxy-4-hydroxy-3-[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyoxan-2-yl]oxy-5-hydroxy-4a-(hydroxymethyl)-2,6a,6b,9,9,12a-hexamethyl-1,3,4,5,6,6a,7,8,8a,10,11,12,13,14b-tetradecahydropicene-2-carbonyl]oxy-2-hydroxypropoxy]-3,4,5-trihydroxyoxane-2-carboxylic acid
—— 6-Methyl-10-methylidene-3-propan-2-ylidenespiro[4.5]dec-8-ene —— C15H22
6-Methyl-10-methylidene-3-propan-2-ylidenespiro[4.5]dec-8-ene
—— 6-[[4-Carboxy-4,6a,6b,11,11,14b-hexamethyl-8a-[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxycarbonyl-1,2,3,4a,5,6,7,8,9,10,12,12a,14,14a-tetradecahydropicen-3-yl]oxy]-3,4-dihydroxy-5-(3,4,5-trihydroxyoxan-2-yl)oxyoxane-2-carboxylic acid —— C47H72O20
6-[[4-Carboxy-4,6a,6b,11,11,14b-hexamethyl-8a-[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxycarbonyl-1,2,3,4a,5,6,7,8,9,10,12,12a,14,14a-tetradecahydropicen-3-yl]oxy]-3,4-dihydroxy-5-(3,4,5-trihydroxyoxan-2-yl)oxyoxane-2-carboxylic acid
—— 6-(4,6-dimethoxy-7-methyl-3-oxo-1H-2-benzofuran-5-yl)-4-methyl-N-(5-methyl-1,3-thiazol-2-yl)hex-4-enamide —— C22H26N2O5S
6-(4,6-dimethoxy-7-methyl-3-oxo-1H-2-benzofuran-5-yl)-4-methyl-N-(5-methyl-1,3-thiazol-2-yl)hex-4-enamide
—— 6-butan-2-yl-3-propan-2-yl-1H-pyrazin-2-one —— C11H18N2O
6-butan-2-yl-3-propan-2-yl-1H-pyrazin-2-one
—— 6-Hydroxy-7-methoxy-3a,5a-dimethyl-1-propan-2-yl-2,3,4,5,6,7,10,10a-octahydrocyclohepta[e]indene-8-carbaldehyde —— C21H32O3
6-Hydroxy-7-methoxy-3a,5a-dimethyl-1-propan-2-yl-2,3,4,5,6,7,10,10a-octahydrocyclohepta[e]indene-8-carbaldehyde
—— 6-Cyclohexyl-2-(2,3-dimethoxyphenyl)-3,6,17-triazatetracyclo[8.7.0.03,8.011,16]heptadeca-1(10),11,13,15-tetraene-4,7-dione —— C28H31N3O4
6-Cyclohexyl-2-(2,3-dimethoxyphenyl)-3,6,17-triazatetracyclo[8.7.0.03,8.011,16]heptadeca-1(10),11,13,15-tetraene-4,7-dione
—— [6-Methyl-4-(4-methylpent-3-EN-1-YL)cyclohex-3-EN-1-YL]methanol —— C14H24O
[6-Methyl-4-(4-methylpent-3-EN-1-YL)cyclohex-3-EN-1-YL]methanol
—— 6-[(2-Chlorophenyl)methoxy]-2-[(2,5-dimethoxyphenyl)methylidene]-1-benzofuran-3-one —— C24H19ClO5
6-[(2-Chlorophenyl)methoxy]-2-[(2,5-dimethoxyphenyl)methylidene]-1-benzofuran-3-one
—— [6-Formyl-10-(hydroxymethyl)-4-(2-methylbutanoyloxy)-3-methylidene-2-oxo-3a,4,5,8,9,11a-hexahydrocyclodeca[b]furan-5-yl] hexadecanoate —— C36H56O8
[6-Formyl-10-(hydroxymethyl)-4-(2-methylbutanoyloxy)-3-methylidene-2-oxo-3a,4,5,8,9,11a-hexahydrocyclodeca[b]furan-5-yl] hexadecanoate
—— [6-(acetyloxymethyl)-4,5-dihydroxy-3-[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyoxan-2-yl] 5-hydroxy-2,3-dimethyl-6-(1,3,11-trihydroxy-10,13-dimethyl-2,3,4,7,8,9,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-17-yl)hept-2-enoate —— C42H66O17
[6-(acetyloxymethyl)-4,5-dihydroxy-3-[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyoxan-2-yl] 5-hydroxy-2,3-dimethyl-6-(1,3,11-trihydroxy-10,13-dimethyl-2,3,4,7,8,9,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-17-yl)hept-2-enoate
—— [6-(10,13-dimethyl-2,3,6-trisulfooxy-2,3,4,5,6,7,9,11,12,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-17-yl)-2-methylhept-1-en-3-yl] 5-(4-hydroxyphenyl)-1H-imidazole-2-carboxylate —— C37H50N2O15S3
[6-(10,13-dimethyl-2,3,6-trisulfooxy-2,3,4,5,6,7,9,11,12,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-17-yl)-2-methylhept-1-en-3-yl] 5-(4-hydroxyphenyl)-1H-imidazole-2-carboxylate
—— 6-hydroxy-3-(3-methoxyphenyl)-5-{1H,2H,3H,4H,9H-pyrido[3,4-b]indol-1-yl}-1,2,3,4-tetrahydropyrimidine-2,4-dione —— C22H20N4O4
6-hydroxy-3-(3-methoxyphenyl)-5-{1H,2H,3H,4H,9H-pyrido[3,4-b]indol-1-yl}-1,2,3,4-tetrahydropyrimidine-2,4-dione
—— 6,7-Dimethyl-4-methylene-3-oxo-1,3,4,7,7a,9a-hexahydropentaleno(1,6a-c)pyran-9-carboxylic acid 70857-52-2 C15H16O4
6,7-Dimethyl-4-methylene-3-oxo-1,3,4,7,7a,9a-hexahydropentaleno(1,6a-c)pyran-9-carboxylic acid
—— (6,7-dimethoxy-3,4-dihydroisoquinolin-2(1H)-yl)(1-(2-methoxyethyl)-1H-indol-5-yl)methanone —— C23H26N2O4
(6,7-dimethoxy-3,4-dihydroisoquinolin-2(1H)-yl)(1-(2-methoxyethyl)-1H-indol-5-yl)methanone
—— 6-[2-(3,4-Dihydroxydodeca-1,6,9-trienyl)cyclopropyl]oxan-2-one —— C20H30O4
6-[2-(3,4-Dihydroxydodeca-1,6,9-trienyl)cyclopropyl]oxan-2-one
—— (6,7-dimethoxy-3,4-dihydroisoquinolin-2(1H)-yl)[4-(1H-pyrrol-1-yl)phenyl]methanone —— C22H22N2O3
(6,7-dimethoxy-3,4-dihydroisoquinolin-2(1H)-yl)[4-(1H-pyrrol-1-yl)phenyl]methanone
—— 6-Hydroxy-3-[18-(4-hydroxy-2,2,6-trimethyl-7-oxabicyclo[4.1.0]heptan-1-yl)-3,7,12,16-tetramethyloctadeca-1,3,5,7,9,11,13,15,17-nonaenyl]-2,4,4-trimethylcyclohex-2-en-1-one —— C40H54O4
6-Hydroxy-3-[18-(4-hydroxy-2,2,6-trimethyl-7-oxabicyclo[4.1.0]heptan-1-yl)-3,7,12,16-tetramethyloctadeca-1,3,5,7,9,11,13,15,17-nonaenyl]-2,4,4-trimethylcyclohex-2-en-1-one
—— 6,12-Dimethyl-2,16-dimethylidenetricyclo[7.5.2.012,15]hexadeca-3,8-diene-10,11-diol —— C20H28O2
6,12-Dimethyl-2,16-dimethylidenetricyclo[7.5.2.012,15]hexadeca-3,8-diene-10,11-diol
—— 6-[2-(8-chloro-1,3,4,5-tetrahydro-2H-pyrido[4,3-b]indol-2-yl)-2-oxoethyl]-6,6a-dihydroisoindolo[2,1-a]quinazoline-5,11-dione —— C28H21ClN4O3
6-[2-(8-chloro-1,3,4,5-tetrahydro-2H-pyrido[4,3-b]indol-2-yl)-2-oxoethyl]-6,6a-dihydroisoindolo[2,1-a]quinazoline-5,11-dione
—— 6-Hydroxynona-2,4-dienoic acid —— C9H14O3
6-Hydroxynona-2,4-dienoic acid
—— [6-[2-[2-[2-(3,4-Dihydroxyphenyl)-5-hydroxy-4-oxo-7-[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxychromen-3-yl]oxy-4,5-dihydroxy-6-(hydroxymethyl)oxan-3-yl]oxy-4,5-dihydroxy-6-(hydroxymethyl)oxan-3-yl]oxy-3,4,5-trihydroxyoxan-2-yl]methyl 3-(4-hydroxyphenyl)prop-2-enoate —— C48H56O29
[6-[2-[2-[2-(3,4-Dihydroxyphenyl)-5-hydroxy-4-oxo-7-[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxychromen-3-yl]oxy-4,5-dihydroxy-6-(hydroxymethyl)oxan-3-yl]oxy-4,5-dihydroxy-6-(hydroxymethyl)oxan-3-yl]oxy-3,4,5-trihydroxyoxan-2-yl]methyl 3-(4-hydroxyphenyl)prop-2-enoate
—— [6-[[3,4-Dihydroxy-6-(hydroxymethyl)-5-(3,4,5-trihydroxy-6-methyloxan-2-yl)oxyoxan-2-yl]oxymethyl]-3,4,5-trihydroxyoxan-2-yl] 10-[3,5-dihydroxy-4-[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyoxan-2-yl]oxy-9-(hydroxymethyl)-6a,6b,9,12a-tetramethyl-2-methylidene-1,3,4,5,6,6a,7,8,8a,10,11,12,13,14b-tetradecahydropicene-4a-carboxylate —— C58H92O27
[6-[[3,4-Dihydroxy-6-(hydroxymethyl)-5-(3,4,5-trihydroxy-6-methyloxan-2-yl)oxyoxan-2-yl]oxymethyl]-3,4,5-trihydroxyoxan-2-yl] 10-[3,5-dihydroxy-4-[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyoxan-2-yl]oxy-9-(hydroxymethyl)-6a,6b,9,12a-tetramethyl-2-methylidene-1,3,4,5,6,6a,7,8,8a,10,11,12,13,14b-tetradecahydropicene-4a-carboxylate
—— 6,7-Dihydroxy-8-(hydroxymethyl)-4,18-dimethyl-14-nona-1,3,5-trienyl-16-prop-1-en-2-yl-9,13,15,19-tetraoxahexacyclo[12.4.1.01,11.02,6.08,10.012,16]nonadec-3-en-5-one —— C30H38O8
6,7-Dihydroxy-8-(hydroxymethyl)-4,18-dimethyl-14-nona-1,3,5-trienyl-16-prop-1-en-2-yl-9,13,15,19-tetraoxahexacyclo[12.4.1.01,11.02,6.08,10.012,16]nonadec-3-en-5-one
—— 6-[[9-carbamoyl-4-chloro-7-(dimethylamino)-1,6a,10,10a,12-pentahydroxy-3-methoxy-5-methyl-8,11-dioxo-6,7-dihydro-5aH-tetracen-5-yl]oxy]-N-hydroxy-3-methoxy-2,4-dimethyloxan-4-amine oxide —— C31H40ClN3O14
6-[[9-carbamoyl-4-chloro-7-(dimethylamino)-1,6a,10,10a,12-pentahydroxy-3-methoxy-5-methyl-8,11-dioxo-6,7-dihydro-5aH-tetracen-5-yl]oxy]-N-hydroxy-3-methoxy-2,4-dimethyloxan-4-amine oxide
—— 6-acetyl-5-hydroxy-10-(4-methoxyphenyl)-4-methyl-9,10-dihydropyrano[2,3-f]chromene-2,8-dione —— C22H18O7
6-acetyl-5-hydroxy-10-(4-methoxyphenyl)-4-methyl-9,10-dihydropyrano[2,3-f]chromene-2,8-dione
—— 6,8-dihydroxy-3-(4-hydroxyphenyl)-7-(3-methylbut-2-enyl)-4H-naphthalen-1-one —— C21H20O4
6,8-dihydroxy-3-(4-hydroxyphenyl)-7-(3-methylbut-2-enyl)-4H-naphthalen-1-one
—— [6-Butyl-3-(2-methyl-1,3-thiazol-4-yl)-4-oxochromen-7-yl] 2-[(2-methylpropan-2-yl)oxycarbonylamino]-3-[4-[(2-methylpropan-2-yl)oxycarbonyloxy]phenyl]propanoate —— C36H42N2O9S
[6-Butyl-3-(2-methyl-1,3-thiazol-4-yl)-4-oxochromen-7-yl] 2-[(2-methylpropan-2-yl)oxycarbonylamino]-3-[4-[(2-methylpropan-2-yl)oxycarbonyloxy]phenyl]propanoate
—— 6,8-bis[3,7-dihydroxy-2-(3,4,5-trihydroxyphenyl)-3,4-dihydro-2H-chromen-4-yl]-2-(3,4,5-trihydroxyphenyl)-3,4-dihydro-2H-chromene-3,5,7-triol —— C45H38O19
6,8-bis[3,7-dihydroxy-2-(3,4,5-trihydroxyphenyl)-3,4-dihydro-2H-chromen-4-yl]-2-(3,4,5-trihydroxyphenyl)-3,4-dihydro-2H-chromene-3,5,7-triol
—— 6-(Hydroxymethyl)-2-(6-hydroxy-4-methylhex-4-enylidene)-10-methylundeca-5,9-dienoic acid —— C20H32O4
6-(Hydroxymethyl)-2-(6-hydroxy-4-methylhex-4-enylidene)-10-methylundeca-5,9-dienoic acid
—— 6-[[2-(3,4,9-Trimethyl-7-oxofuro[2,3-f]chromen-8-yl)acetyl]amino]hexanoic acid —— C22H25NO6
6-[[2-(3,4,9-Trimethyl-7-oxofuro[2,3-f]chromen-8-yl)acetyl]amino]hexanoic acid
—— 6-[4,6-Diamino-3-[6-(aminomethyl)-3,5-dihydroxyoxan-2-yl]oxy-2-hydroxycyclohexyl]oxy-2-(hydroxymethyl)-3-methyl-4-(methylamino)oxane-3,5-diol —— C20H40N4O10
6-[4,6-Diamino-3-[6-(aminomethyl)-3,5-dihydroxyoxan-2-yl]oxy-2-hydroxycyclohexyl]oxy-2-(hydroxymethyl)-3-methyl-4-(methylamino)oxane-3,5-diol
—— 6-Methylpyrazolo[3,4-b][1,4]oxazine —— C6H5N3O
6-Methylpyrazolo[3,4-b][1,4]oxazine
—— [6-[3-[3,4-Dihydroxy-6-methyl-5-[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyoxan-2-yl]oxy-5-hydroxy-2-(4-hydroxyphenyl)-4-oxochromen-7-yl]oxy-3,4,5-trihydroxyoxan-2-yl]methyl 3-(4-hydroxyphenyl)prop-2-enoate —— C42H46O22
[6-[3-[3,4-Dihydroxy-6-methyl-5-[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyoxan-2-yl]oxy-5-hydroxy-2-(4-hydroxyphenyl)-4-oxochromen-7-yl]oxy-3,4,5-trihydroxyoxan-2-yl]methyl 3-(4-hydroxyphenyl)prop-2-enoate
—— 6-((6,7-dimethoxy-3,4-dihydroisoquinolin-2(1H)-yl)methyl)-3-hydroxy-2-(piperidin-1-ylmethyl)-4H-pyran-4-one —— C23H30N2O5
6-((6,7-dimethoxy-3,4-dihydroisoquinolin-2(1H)-yl)methyl)-3-hydroxy-2-(piperidin-1-ylmethyl)-4H-pyran-4-one
—— [6-[[6-(acetyloxymethyl)-2,3,4-trihydroxy-5-(3,4,5-trihydroxy-6-methyloxan-2-yl)oxyoxan-2-yl]oxymethyl]-2,3,4,5-tetrahydroxyoxan-2-yl] 5-hydroxy-2,2,6a,6b,9,9,12a-heptamethyl-10-[3,4,5-trihydroxy-6-methyl-2-(3,4,5-trihydroxyoxan-2-yl)oxan-2-yl]oxy-3,4,4a,5,6,6a,7,8,8a,10,11,12,13,14b-tetradecahydro-1H-picene-4-carboxylate —— C61H98O29
[6-[[6-(acetyloxymethyl)-2,3,4-trihydroxy-5-(3,4,5-trihydroxy-6-methyloxan-2-yl)oxyoxan-2-yl]oxymethyl]-2,3,4,5-tetrahydroxyoxan-2-yl] 5-hydroxy-2,2,6a,6b,9,9,12a-heptamethyl-10-[3,4,5-trihydroxy-6-methyl-2-(3,4,5-trihydroxyoxan-2-yl)oxan-2-yl]oxy-3,4,4a,5,6,6a,7,8,8a,10,11,12,13,14b-tetradecahydro-1H-picene-4-carboxylate
—— 6-(1H-indol-4-ylmethyl)-3,4-dimethoxy-5H-indeno[1,2-c]isoquinoline-5,11(6H)-dione —— C27H20N2O4
6-(1H-indol-4-ylmethyl)-3,4-dimethoxy-5H-indeno[1,2-c]isoquinoline-5,11(6H)-dione
—— 6-[(4-chlorophenyl)carbonyl]-4-{2-[2-(2,3-dihydro-1-benzofuran-5-yl)ethoxy]phenyl}-5-hydroxy-3,4-dihydro-2H-chromen-2-one —— C32H25ClO6
6-[(4-chlorophenyl)carbonyl]-4-{2-[2-(2,3-dihydro-1-benzofuran-5-yl)ethoxy]phenyl}-5-hydroxy-3,4-dihydro-2H-chromen-2-one
—— 6-bromo-3-(3,4-diethoxyphenyl)-2H-chromen-2-one —— C19H17BrO4
6-bromo-3-(3,4-diethoxyphenyl)-2H-chromen-2-one
—— [6-benzoyloxy-3-(cyanomethylidene)-2-hydroxy-4-[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxycyclohexyl] 1H-pyrrole-2-carboxylate —— C26H28N2O11
[6-benzoyloxy-3-(cyanomethylidene)-2-hydroxy-4-[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxycyclohexyl] 1H-pyrrole-2-carboxylate
—— 6-Hydroxypyrrolo[3,4-d]pyrimidine —— C6H5N3O
6-Hydroxypyrrolo[3,4-d]pyrimidine
—— 6-(7-Hydroxypentadeca-1,3,5,9-tetraenyl)oxan-2-one —— C20H30O3
6-(7-Hydroxypentadeca-1,3,5,9-tetraenyl)oxan-2-one
—— 6-hydroxy-5-(5-hydroxy-3-methylpent-3-enyl)-1,4a,6-trimethyl-3,4,5,7,8,8a-hexahydro-2H-naphthalene-1-carbaldehyde —— C20H34O3
6-hydroxy-5-(5-hydroxy-3-methylpent-3-enyl)-1,4a,6-trimethyl-3,4,5,7,8,8a-hexahydro-2H-naphthalene-1-carbaldehyde
—— 6,10-dihydroxy-1,1,4a,7-tetramethyl-4,9,10,10a-tetrahydro-3H-phenanthren-2-one —— C18H24O3
6,10-dihydroxy-1,1,4a,7-tetramethyl-4,9,10,10a-tetrahydro-3H-phenanthren-2-one
—— 6-Hydroxy-3-(2-hydroxyphenyl)-5,7-dimethoxy-8-methylchromen-4-one —— C18H16O6
6-Hydroxy-3-(2-hydroxyphenyl)-5,7-dimethoxy-8-methylchromen-4-one