require_once( "../navigation.include" ); ?>
check_image( "../cid_images/cid_393824.png" ); ?>
check_image( "../cid_thumbs/cid_227653.png" ); ?>
check_image( "../cid_thumbs/cid_227646.png" ); ?>
check_image( "../cid_thumbs/cid_227644.png" ); ?>
check_image( "../cid_thumbs/cid_227639.png" ); ?>
check_image( "../cid_thumbs/cid_226424.png" ); ?>
check_image( "../cid_thumbs/cid_226420.png" ); ?>
check_image( "../cid_thumbs/cid_393832.png" ); ?>
check_image( "../cid_thumbs/cid_382634.png" ); ?>
check_image( "../cid_thumbs/cid_1377918.png" ); ?>
check_image( "../cid_thumbs/cid_1377878.png" ); ?>
check_image( "../cid_thumbs/cid_1376311.png" ); ?>
check_image( "../cid_thumbs/cid_2293081.png" ); ?>
check_image( "../cid_thumbs/cid_283001.png" ); ?>
check_image( "../cid_thumbs/cid_614097.png" ); ?>
check_image( "../cid_thumbs/cid_385729.png" ); ?>
check_image( "../cid_thumbs/cid_385726.png" ); ?>
check_image( "../cid_thumbs/cid_385662.png" ); ?>
check_image( "../cid_thumbs/cid_385660.png" ); ?>
check_image( "../cid_thumbs/cid_385659.png" ); ?>
check_image( "../cid_thumbs/cid_385657.png" ); ?>
check_image( "../cid_thumbs/cid_384719.png" ); ?>
check_image( "../cid_thumbs/cid_3005128.png" ); ?>
pre_formula_key( "InChIKey=LWHLLQXQLNXHLH-UHFFFAOYAA", "jqp052/393824.html" ); ?>
pre_formula( "InChI=1/C21H20O2/c1-11-7-8-15-17(14(11)4)10-21(19(15)22)9-16-12(2)5-6-13(3)18(16)20(21)23/h5-8H,9-10H2,1-4H3", "jqp052/393824.html" ); ?>
Molecular Formula:
C21H20O2
InChI: InChI=1/C21H20O2/c1-11-7-8-15-17(14(11)4)10-21(19(15)22)9-16-12(2)5-6-13(3)18(16)20(21)23/h5-8H,9-10H2,1-4H3
InChIKey: InChIKey=LWHLLQXQLNXHLH-UHFFFAOYAA
SMILES: CC1=C(C2=C(C=C1)C(=O)C3(C2)CC4=C(C=CC(=C4C3=O)C)C)C
Names:
4,4',5',7-tetramethyl-2,2'-spirobi[3H-indene]-1,1'-dione
name_it( "InChI=1/C21H20O2/c1-11-7-8-15-17(14(11)4)10-21(19(15)22)9-16-12(2)5-6-13(3)18(16)20(21)23/h5-8H,9-10H2,1-4H3", "jqp052/393824.html" ); ?>
Registries:
pre_registry_key( "InChI=1/C21H20O2/c1-11-7-8-15-17(14(11)4)10-21(19(15)22)9-16-12(2)5-6-13(3)18(16)20(21)23/h5-8H,9-10H2,1-4H3", "InChIKey=LWHLLQXQLNXHLH-UHFFFAOYAA", "jqp052/393824.html" ); ?>
PubChem CID 393824
PubChem ID 4808939
pre_ads_key( "InChIKey=LWHLLQXQLNXHLH-UHFFFAOYAA", "jqp052/393824.html" ); ?>
pre_ads( "InChI=1/C21H20O2/c1-11-7-8-15-17(14(11)4)10-21(19(15)22)9-16-12(2)5-6-13(3)18(16)20(21)23/h5-8H,9-10H2,1-4H3", "jqp052/393824.html" ); ?>
require_once( "../ads.include" ); ?>
pre_related( "InChI=1/C21H20O2/c1-11-7-8-15-17(14(11)4)10-21(19(15)22)9-16-12(2)5-6-13(3)18(16)20(21)23/h5-8H,9-10H2,1-4H3", "jqp052/393824.html" ); ?>