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D03 Heterocyclic Compounds D006571 +
D03.549 Heterocyclic Compounds with 4 or More Rings D006576 +
D03.549.095 Aporphines D001060 +
D03.549.168 Berberine Alkaloids D001600 +
D03.549.256 Cevanes D002595 +
D03.549.380 Dihydro-beta-Erythroidine D004079
D03.549.439 Ergolines D004873 +
D03.549.562 Ergotamines D004879 +
D03.549.624 Harringtonines D006248
D03.549.686 Morphinans D009019 +
D03.549.811 Rifamycins D012294 +
D03.549.825 Rotenone D012402
D03.549.937 Yohimbans D015015 +
D03.549.748 Pterocarpans D036343
D03.549.909 Tetrapyrroles D045725 +