Parent Compound
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Name CAS Molecular Formula Molecular Structure 5-oxa-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid C7H7NO4 ![5-oxa-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid](http://img1.chemnet.com/bin/img/?x=355&y=180&t=compounds_muti&m=1&s=100211_1.gif)
avermectin-A1a 65195-51-9 C49H74O14 
Erythromycin 114-07-8 C37H67NO13 
milbemycin-B C33H48O7 
rifamycin 6998-60-3 C37H47NO12 
ristomycin A aglycone 73201-25-9 C60H51N7O19 
tylosin 1401-69-0 C46H77NO17 
Vancomycin 1404-90-6 C66H75Cl12N9O24 
1,4-dioxaspiro[4.5]decane 177-10-6 C8H14O2 ![1,4-dioxaspiro[4.5]decane](http://img1.chemnet.com/bin/img/?x=355&y=180&t=compounds_muti&m=1&s=219.GIF)
8-azaspiro[4.5]decane 176-64-7 C9H17N ![8-azaspiro[4.5]decane](http://img1.chemnet.com/bin/img/?x=355&y=180&t=compounds_muti&m=1&s=220.GIF)
morphinan 468-10-0 C16H21N 
prostane C20H40 
tricyclo[3.3.1.13,7]decane 281-23-2 C10H16 ![tricyclo[3.3.1.1<sup>3,7</sup>]decane](http://img1.chemnet.com/bin/img/?x=355&y=180&t=compounds_muti&m=1&s=100223_1.gif)
vincaleukoblastine 865-21-4 C46H58N4O9 
L-arginine 74-79-3 C6H14N4O2 
L-aspartic acid 56-84-8 C4H7NO4 
L-proline 147-85-3 C5H9NO2 
spiropentane 157-40-4 C5H8 
azepine 291-69-0 C6H7N 
oxepine 291-70-3 C6H6O 
thiepine 291-72-5 C6H6S 
4H-1,2-diazepine C5H6N2 
cyclopropane 75-19-4 C3H6 
Cyclobutane 287-23-0 C4H8 
2H-pyrrole C4H5N 
3H-pyrrole C4H5N 
2H-imidazole C3H4N2 
1,2-dithiole C3H4S2 
1,3-dithiole C3H4S2 
3H-1,2-oxathiole C3H4OS 
Parent Compound
