... > chemical entity > molecular entity > main group molecular entity > p-block molecular entity > chalcogen molecular entity > sulfur molecular entity > sulfur oxoacid derivative > sulfonic acid derivative > sulfonamide > prontosil

... > chemical entity > molecular entity > polyatomic entity > heteroatomic molecular entity > oxoacid derivative > sulfur oxoacid derivative > sulfonic acid derivative > sulfonamide > prontosil

... > chemical entity > molecular entity > main group molecular entity > p-block molecular entity > pnictogen molecular entity > nitrogen molecular entity > amide > primary amide > sulfonamide > prontosil

... > chemical entity > molecular entity > main group molecular entity > p-block molecular entity > chalcogen molecular entity > sulfur molecular entity > organosulfur compound > sulfonamide > prontosil

... > chemical entity > molecular entity > main group molecular entity > p-block molecular entity > chalcogen molecular entity > organochalcogen compound > organosulfur compound > sulfonamide > prontosil

... > chemical entity > molecular entity > main group molecular entity > p-block molecular entity > carbon group molecular entity > organic molecular entity > heteroorganic entity > organochalcogen compound > organosulfur compound > sulfonamide > prontosil

... > chemical entity > molecular entity > polyatomic entity > molecule > cyclic compound > aromatic compound > organic aromatic compound > benzenoid aromatic compound > benzenes > azobenzenes > prontosil

... > chemical entity > molecular entity > main group molecular entity > p-block molecular entity > carbon group molecular entity > organic molecular entity > organic molecule > organic cyclic compound > organic aromatic compound > benzenoid aromatic compound > benzenes > azobenzenes > prontosil

... > chemical entity > molecular entity > polyatomic entity > molecule > organic molecule > organic cyclic compound > organic aromatic compound > benzenoid aromatic compound > benzenes > azobenzenes > prontosil

... > chemical entity > molecular entity > polyatomic entity > molecule > cyclic compound > organic cyclic compound > organic aromatic compound > benzenoid aromatic compound > benzenes > azobenzenes > prontosil

... > chemical entity > molecular entity > main group molecular entity > p-block molecular entity > carbon group molecular entity > organic molecular entity > organic molecule > organic cyclic compound > carbocyclic compound > benzenoid aromatic compound > benzenes > azobenzenes > prontosil

... > chemical entity > molecular entity > polyatomic entity > molecule > organic molecule > organic cyclic compound > carbocyclic compound > benzenoid aromatic compound > benzenes > azobenzenes > prontosil

... > chemical entity > molecular entity > polyatomic entity > molecule > cyclic compound > organic cyclic compound > carbocyclic compound > benzenoid aromatic compound > benzenes > azobenzenes > prontosil

... > chemical entity > molecular entity > polyatomic entity > molecule > cyclic compound > homocyclic compound > carbocyclic compound > benzenoid aromatic compound > benzenes > azobenzenes > prontosil

... > chemical entity > molecular entity > main group molecular entity > p-block molecular entity > pnictogen molecular entity > nitrogen molecular entity > azo compound > azobenzenes > prontosil